Hey guys, I'm new to Magnolia and was hired to fix a problem that a client is 
facing. They have created a bunch of Data Types and importers. When I click on 
any these nodes (the ones below Config Dialogs), I get the following error:
HTTP Status 500 -

type Exception report

message

description The server encountered an internal error () that prevented it from 
fulfilling this request.

exception

java.lang.RuntimeException: 
info.magnolia.module.admininterface.InvalidTreeHandlerException: Unable to 
instantiate a tree handler for [import-revenda] due to a 
info.magnolia.content2bean.Content2BeanException exception
        
info.magnolia.module.cache.filter.CacheFilter.doFilter(CacheFilter.java:159)
        
info.magnolia.cms.filters.OncePerRequestAbstractMgnlFilter.doFilter(OncePerRequestAbstractMgnlFilter.java:60)
        
info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
        
info.magnolia.cms.i18n.I18nContentSupportFilter.doFilter(I18nContentSupportFilter.java:75)
        
info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:88)
        
info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
        
info.magnolia.module.extendedtemplatingkit.filters.MultiSiteFilter.doFilter(MultiSiteFilter.java:94)
        
info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:88)
        
info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
        
info.magnolia.module.cache.filter.GZipFilter.doFilter(GZipFilter.java:73)
        
info.magnolia.cms.filters.OncePerRequestAbstractMgnlFilter.doFilter(OncePerRequestAbstractMgnlFilter.java:60)
        
info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
        
info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:84)
        
info.magnolia.cms.security.BaseSecurityFilter.doFilter(BaseSecurityFilter.java:64)
        
info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:88)
        
info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
        info.magnolia.cms.security.LogoutFilter.doFilter(LogoutFilter.java:88)
        
info.magnolia.cms.filters.OncePerRequestAbstractMgnlFilter.doFilter(OncePerRequestAbstractMgnlFilter.java:60)
        
info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
        
info.magnolia.cms.security.auth.login.LoginFilter.doFilter(LoginFilter.java:82)
        
info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:88)
        
info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
        
info.magnolia.enterprise.registration.RegistrationFilter.doFilter(RegistrationFilter.java:51)
        
info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:88)
        
info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
        
info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:84)
        
info.magnolia.cms.filters.CosMultipartRequestFilter.doFilter(CosMultipartRequestFilter.java:86)
        
info.magnolia.cms.filters.OncePerRequestAbstractMgnlFilter.doFilter(OncePerRequestAbstractMgnlFilter.java:60)
        
info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
        
info.magnolia.cms.filters.ContentTypeFilter.doFilter(ContentTypeFilter.java:102)
        
info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:88)
        
info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
        info.magnolia.cms.filters.ContextFilter.doFilter(ContextFilter.java:120)
        
info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:88)
        
info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
        
info.magnolia.cms.filters.CompositeFilter.doFilter(CompositeFilter.java:66)
        
info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:88)
        
info.magnolia.cms.filters.MgnlMainFilter.doFilter(MgnlMainFilter.java:105)
        
info.magnolia.cms.filters.MgnlMainFilter.doFilter(MgnlMainFilter.java:216)
root cause

info.magnolia.module.admininterface.InvalidTreeHandlerException: Unable to 
instantiate a tree handler for [import-revenda] due to a 
info.magnolia.content2bean.Content2BeanException exception
        
info.magnolia.module.admininterface.TreeHandlerManager.getTreeHandler(TreeHandlerManager.java:93)
        
info.magnolia.module.admininterface.AdminTreeMVCServlet.getHandler(AdminTreeMVCServlet.java:67)
        info.magnolia.cms.servlets.MVCServlet.doPost(MVCServlet.java:111)
        info.magnolia.cms.servlets.MVCServlet.doGet(MVCServlet.java:69)
        javax.servlet.http.HttpServlet.service(HttpServlet.java:617)
        javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
        
info.magnolia.cms.filters.ServletDispatchingFilter.doFilter(ServletDispatchingFilter.java:119)
        
info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:88)
        
info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
        
info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:84)
        
info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:84)
        
info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:84)
        
info.magnolia.cms.filters.CompositeFilter.doFilter(CompositeFilter.java:66)
        
info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:88)
        
info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
        
info.magnolia.cms.filters.VirtualUriFilter.doFilter(VirtualUriFilter.java:69)
        
info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:88)
        
info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
        
info.magnolia.module.cache.executor.Bypass.processCacheRequest(Bypass.java:57)
        
info.magnolia.module.cache.filter.CacheFilter.doFilter(CacheFilter.java:147)
        
info.magnolia.cms.filters.OncePerRequestAbstractMgnlFilter.doFilter(OncePerRequestAbstractMgnlFilter.java:60)
        
info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
        
info.magnolia.cms.i18n.I18nContentSupportFilter.doFilter(I18nContentSupportFilter.java:75)
        
info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:88)
        
info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
        
info.magnolia.module.extendedtemplatingkit.filters.MultiSiteFilter.doFilter(MultiSiteFilter.java:94)
        
info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:88)
        
info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
        
info.magnolia.module.cache.filter.GZipFilter.doFilter(GZipFilter.java:73)
        
info.magnolia.cms.filters.OncePerRequestAbstractMgnlFilter.doFilter(OncePerRequestAbstractMgnlFilter.java:60)
        
info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
        
info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:84)
        
info.magnolia.cms.security.BaseSecurityFilter.doFilter(BaseSecurityFilter.java:64)
        
info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:88)
        
info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
        info.magnolia.cms.security.LogoutFilter.doFilter(LogoutFilter.java:88)
        
info.magnolia.cms.filters.OncePerRequestAbstractMgnlFilter.doFilter(OncePerRequestAbstractMgnlFilter.java:60)
        
info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
        
info.magnolia.cms.security.auth.login.LoginFilter.doFilter(LoginFilter.java:82)
        
info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:88)
        
info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
        
info.magnolia.enterprise.registration.RegistrationFilter.doFilter(RegistrationFilter.java:51)
        
info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:88)
        
info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
        
info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:84)
        
info.magnolia.cms.filters.CosMultipartRequestFilter.doFilter(CosMultipartRequestFilter.java:86)
        
info.magnolia.cms.filters.OncePerRequestAbstractMgnlFilter.doFilter(OncePerRequestAbstractMgnlFilter.java:60)
        
info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
        
info.magnolia.cms.filters.ContentTypeFilter.doFilter(ContentTypeFilter.java:102)
        
info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:88)
        
info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
        info.magnolia.cms.filters.ContextFilter.doFilter(ContextFilter.java:120)
        
info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:88)
        
info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
        
info.magnolia.cms.filters.CompositeFilter.doFilter(CompositeFilter.java:66)
        
info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:88)
        
info.magnolia.cms.filters.MgnlMainFilter.doFilter(MgnlMainFilter.java:105)
        
info.magnolia.cms.filters.MgnlMainFilter.doFilter(MgnlMainFilter.java:216)
root cause

info.magnolia.content2bean.Content2BeanException: can't call init method
        
info.magnolia.content2bean.impl.Content2BeanTransformerImpl.initBean(Content2BeanTransformerImpl.java:369)
        
info.magnolia.content2bean.impl.Content2BeanProcessorImpl.setProperties(Content2BeanProcessorImpl.java:151)
        
info.magnolia.content2bean.Content2BeanUtil.setProperties(Content2BeanUtil.java:202)
        
info.magnolia.content2bean.Content2BeanUtil.setProperties(Content2BeanUtil.java:192)
        
info.magnolia.module.admininterface.TreeHandlerManager.getTreeHandler(TreeHandlerManager.java:89)
        
info.magnolia.module.admininterface.AdminTreeMVCServlet.getHandler(AdminTreeMVCServlet.java:67)
        info.magnolia.cms.servlets.MVCServlet.doPost(MVCServlet.java:111)
        info.magnolia.cms.servlets.MVCServlet.doGet(MVCServlet.java:69)
        javax.servlet.http.HttpServlet.service(HttpServlet.java:617)
        javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
        
info.magnolia.cms.filters.ServletDispatchingFilter.doFilter(ServletDispatchingFilter.java:119)
        
info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:88)
        
info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
        
info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:84)
        
info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:84)
        
info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:84)
        
info.magnolia.cms.filters.CompositeFilter.doFilter(CompositeFilter.java:66)
        
info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:88)
        
info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
        
info.magnolia.cms.filters.VirtualUriFilter.doFilter(VirtualUriFilter.java:69)
        
info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:88)
        
info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
        
info.magnolia.module.cache.executor.Bypass.processCacheRequest(Bypass.java:57)
        
info.magnolia.module.cache.filter.CacheFilter.doFilter(CacheFilter.java:147)
        
info.magnolia.cms.filters.OncePerRequestAbstractMgnlFilter.doFilter(OncePerRequestAbstractMgnlFilter.java:60)
        
info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
        
info.magnolia.cms.i18n.I18nContentSupportFilter.doFilter(I18nContentSupportFilter.java:75)
        
info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:88)
        
info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
        
info.magnolia.module.extendedtemplatingkit.filters.MultiSiteFilter.doFilter(MultiSiteFilter.java:94)
        
info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:88)
        
info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
        
info.magnolia.module.cache.filter.GZipFilter.doFilter(GZipFilter.java:73)
        
info.magnolia.cms.filters.OncePerRequestAbstractMgnlFilter.doFilter(OncePerRequestAbstractMgnlFilter.java:60)
        
info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
        
info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:84)
        
info.magnolia.cms.security.BaseSecurityFilter.doFilter(BaseSecurityFilter.java:64)
        
info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:88)
        
info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
        info.magnolia.cms.security.LogoutFilter.doFilter(LogoutFilter.java:88)
        
info.magnolia.cms.filters.OncePerRequestAbstractMgnlFilter.doFilter(OncePerRequestAbstractMgnlFilter.java:60)
        
info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
        
info.magnolia.cms.security.auth.login.LoginFilter.doFilter(LoginFilter.java:82)
        
info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:88)
        
info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
        
info.magnolia.enterprise.registration.RegistrationFilter.doFilter(RegistrationFilter.java:51)
        
info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:88)
        
info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
        
info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:84)
        
info.magnolia.cms.filters.CosMultipartRequestFilter.doFilter(CosMultipartRequestFilter.java:86)
        
info.magnolia.cms.filters.OncePerRequestAbstractMgnlFilter.doFilter(OncePerRequestAbstractMgnlFilter.java:60)
        
info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
        
info.magnolia.cms.filters.ContentTypeFilter.doFilter(ContentTypeFilter.java:102)
        
info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:88)
        
info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
        info.magnolia.cms.filters.ContextFilter.doFilter(ContextFilter.java:120)
        
info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:88)
        
info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
        
info.magnolia.cms.filters.CompositeFilter.doFilter(CompositeFilter.java:66)
        
info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:88)
        
info.magnolia.cms.filters.MgnlMainFilter.doFilter(MgnlMainFilter.java:105)
        
info.magnolia.cms.filters.MgnlMainFilter.doFilter(MgnlMainFilter.java:216)
root cause

java.lang.reflect.InvocationTargetException
        sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
        
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        java.lang.reflect.Method.invoke(Method.java:616)
        
info.magnolia.content2bean.impl.Content2BeanTransformerImpl.initBean(Content2BeanTransformerImpl.java:366)
        
info.magnolia.content2bean.impl.Content2BeanProcessorImpl.setProperties(Content2BeanProcessorImpl.java:151)
        
info.magnolia.content2bean.Content2BeanUtil.setProperties(Content2BeanUtil.java:202)
        
info.magnolia.content2bean.Content2BeanUtil.setProperties(Content2BeanUtil.java:192)
        
info.magnolia.module.admininterface.TreeHandlerManager.getTreeHandler(TreeHandlerManager.java:89)
        
info.magnolia.module.admininterface.AdminTreeMVCServlet.getHandler(AdminTreeMVCServlet.java:67)
        info.magnolia.cms.servlets.MVCServlet.doPost(MVCServlet.java:111)
        info.magnolia.cms.servlets.MVCServlet.doGet(MVCServlet.java:69)
        javax.servlet.http.HttpServlet.service(HttpServlet.java:617)
        javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
        
info.magnolia.cms.filters.ServletDispatchingFilter.doFilter(ServletDispatchingFilter.java:119)
        
info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:88)
        
info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
        
info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:84)
        
info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:84)
        
info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:84)
        
info.magnolia.cms.filters.CompositeFilter.doFilter(CompositeFilter.java:66)
        
info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:88)
        
info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
        
info.magnolia.cms.filters.VirtualUriFilter.doFilter(VirtualUriFilter.java:69)
        
info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:88)
        
info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
        
info.magnolia.module.cache.executor.Bypass.processCacheRequest(Bypass.java:57)
        
info.magnolia.module.cache.filter.CacheFilter.doFilter(CacheFilter.java:147)
        
info.magnolia.cms.filters.OncePerRequestAbstractMgnlFilter.doFilter(OncePerRequestAbstractMgnlFilter.java:60)
        
info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
        
info.magnolia.cms.i18n.I18nContentSupportFilter.doFilter(I18nContentSupportFilter.java:75)
        
info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:88)
        
info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
        
info.magnolia.module.extendedtemplatingkit.filters.MultiSiteFilter.doFilter(MultiSiteFilter.java:94)
        
info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:88)
        
info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
        
info.magnolia.module.cache.filter.GZipFilter.doFilter(GZipFilter.java:73)
        
info.magnolia.cms.filters.OncePerRequestAbstractMgnlFilter.doFilter(OncePerRequestAbstractMgnlFilter.java:60)
        
info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
        
info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:84)
        
info.magnolia.cms.security.BaseSecurityFilter.doFilter(BaseSecurityFilter.java:64)
        
info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:88)
        
info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
        info.magnolia.cms.security.LogoutFilter.doFilter(LogoutFilter.java:88)
        
info.magnolia.cms.filters.OncePerRequestAbstractMgnlFilter.doFilter(OncePerRequestAbstractMgnlFilter.java:60)
        
info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
        
info.magnolia.cms.security.auth.login.LoginFilter.doFilter(LoginFilter.java:82)
        
info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:88)
        
info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
        
info.magnolia.enterprise.registration.RegistrationFilter.doFilter(RegistrationFilter.java:51)
        
info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:88)
        
info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
        
info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:84)
        
info.magnolia.cms.filters.CosMultipartRequestFilter.doFilter(CosMultipartRequestFilter.java:86)
        
info.magnolia.cms.filters.OncePerRequestAbstractMgnlFilter.doFilter(OncePerRequestAbstractMgnlFilter.java:60)
        
info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
        
info.magnolia.cms.filters.ContentTypeFilter.doFilter(ContentTypeFilter.java:102)
        
info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:88)
        
info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
        info.magnolia.cms.filters.ContextFilter.doFilter(ContextFilter.java:120)
        
info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:88)
        
info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
        
info.magnolia.cms.filters.CompositeFilter.doFilter(CompositeFilter.java:66)
        
info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:88)
        
info.magnolia.cms.filters.MgnlMainFilter.doFilter(MgnlMainFilter.java:105)
        
info.magnolia.cms.filters.MgnlMainFilter.doFilter(MgnlMainFilter.java:216)
root cause

info.magnolia.module.admininterface.InvalidDialogHandlerException: No dialog 
handler for [import-revenda] found
        
info.magnolia.module.admininterface.DialogHandlerManager.getDialogHandler(DialogHandlerManager.java:157)
        
info.magnolia.module.data.trees.GenericDataAdminTree.init(GenericDataAdminTree.java:105)
        sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
        
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        java.lang.reflect.Method.invoke(Method.java:616)
        
info.magnolia.content2bean.impl.Content2BeanTransformerImpl.initBean(Content2BeanTransformerImpl.java:366)
        
info.magnolia.content2bean.impl.Content2BeanProcessorImpl.setProperties(Content2BeanProcessorImpl.java:151)
        
info.magnolia.content2bean.Content2BeanUtil.setProperties(Content2BeanUtil.java:202)
        
info.magnolia.content2bean.Content2BeanUtil.setProperties(Content2BeanUtil.java:192)
        
info.magnolia.module.admininterface.TreeHandlerManager.getTreeHandler(TreeHandlerManager.java:89)
        
info.magnolia.module.admininterface.AdminTreeMVCServlet.getHandler(AdminTreeMVCServlet.java:67)
        info.magnolia.cms.servlets.MVCServlet.doPost(MVCServlet.java:111)
        info.magnolia.cms.servlets.MVCServlet.doGet(MVCServlet.java:69)
        javax.servlet.http.HttpServlet.service(HttpServlet.java:617)
        javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
        
info.magnolia.cms.filters.ServletDispatchingFilter.doFilter(ServletDispatchingFilter.java:119)
        
info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:88)
        
info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
        
info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:84)
        
info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:84)
        
info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:84)
        
info.magnolia.cms.filters.CompositeFilter.doFilter(CompositeFilter.java:66)
        
info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:88)
        
info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
        
info.magnolia.cms.filters.VirtualUriFilter.doFilter(VirtualUriFilter.java:69)
        
info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:88)
        
info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
        
info.magnolia.module.cache.executor.Bypass.processCacheRequest(Bypass.java:57)
        
info.magnolia.module.cache.filter.CacheFilter.doFilter(CacheFilter.java:147)
        
info.magnolia.cms.filters.OncePerRequestAbstractMgnlFilter.doFilter(OncePerRequestAbstractMgnlFilter.java:60)
        
info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
        
info.magnolia.cms.i18n.I18nContentSupportFilter.doFilter(I18nContentSupportFilter.java:75)
        
info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:88)
        
info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
        
info.magnolia.module.extendedtemplatingkit.filters.MultiSiteFilter.doFilter(MultiSiteFilter.java:94)
        
info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:88)
        
info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
        
info.magnolia.module.cache.filter.GZipFilter.doFilter(GZipFilter.java:73)
        
info.magnolia.cms.filters.OncePerRequestAbstractMgnlFilter.doFilter(OncePerRequestAbstractMgnlFilter.java:60)
        
info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
        
info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:84)
        
info.magnolia.cms.security.BaseSecurityFilter.doFilter(BaseSecurityFilter.java:64)
        
info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:88)
        
info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
        info.magnolia.cms.security.LogoutFilter.doFilter(LogoutFilter.java:88)
        
info.magnolia.cms.filters.OncePerRequestAbstractMgnlFilter.doFilter(OncePerRequestAbstractMgnlFilter.java:60)
        
info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
        
info.magnolia.cms.security.auth.login.LoginFilter.doFilter(LoginFilter.java:82)
        
info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:88)
        
info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
        
info.magnolia.enterprise.registration.RegistrationFilter.doFilter(RegistrationFilter.java:51)
        
info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:88)
        
info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
        
info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:84)
        
info.magnolia.cms.filters.CosMultipartRequestFilter.doFilter(CosMultipartRequestFilter.java:86)
        
info.magnolia.cms.filters.OncePerRequestAbstractMgnlFilter.doFilter(OncePerRequestAbstractMgnlFilter.java:60)
        
info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
        
info.magnolia.cms.filters.ContentTypeFilter.doFilter(ContentTypeFilter.java:102)
        
info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:88)
        
info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
        info.magnolia.cms.filters.ContextFilter.doFilter(ContextFilter.java:120)
        
info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:88)
        
info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
        
info.magnolia.cms.filters.CompositeFilter.doFilter(CompositeFilter.java:66)
        
info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:88)
        
info.magnolia.cms.filters.MgnlMainFilter.doFilter(MgnlMainFilter.java:105)
        
info.magnolia.cms.filters.MgnlMainFilter.doFilter(MgnlMainFilter.java:216)
note The full stack trace of the root cause is available in the Apache 
Tomcat/6.0.32 logs.

Apache Tomcat/6.0.32

Also I can't edit any data type due to the following error:
info.magnolia.cms.beans.config.ConfigurationException: no dialog registered for 
name: dataType

Apparently, these erros started to occur after a change in the subscriber, but 
not sure.

Really need your help on this, any ideas?

Thanks a lot!

-- 
Context is everything: 
http://forum.magnolia-cms.com/forum/thread.html?threadId=0f38f71e-50d0-42d0-9da3-e2f23472ebc2


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