Hi, Here is my debug result
Error: Bookmark no longer valid.
at
ListCollectionViewCursor/seek()[E:\dev\3.1.0\frameworks\projects\framework\src\mx\collections\ListCollectionView.as:2055]
at
mx.collections::HierarchicalCollectionViewCursor/collectionChangeHandler()[C:\work\flex\dmv_automation\projects\datavisualisation\src\mx\collections\HierarchicalCollectionViewCursor.as:1116]
at flash.events::EventDispatcher/dispatchEventFunction()
at flash.events::EventDispatcher/dispatchEvent()
at
mx.collections::HierarchicalCollectionView/nestedCollectionChangeHandler()[C:\work\flex\dmv_automation\projects\datavisualisation\src\mx\collections\HierarchicalCollectionView.as:1199]
at flash.events::EventDispatcher/dispatchEventFunction()
at flash.events::EventDispatcher/dispatchEvent()
at
mx.collections::ListCollectionView/dispatchEvent()[E:\dev\3.1.0\frameworks\projects\framework\src\mx\collections\ListCollectionView.as:833]
at
mx.collections::ListCollectionView/addItemsToView()[E:\dev\3.1.0\frameworks\projects\framework\src\mx\collections\ListCollectionView.as:931]
at
mx.collections::ListCollectionView/listChangeHandler()[E:\dev\3.1.0\frameworks\projects\framework\src\mx\collections\ListCollectionView.as:1051]
at flash.events::EventDispatcher/dispatchEventFunction()
at flash.events::EventDispatcher/dispatchEvent()
at
mx.collections::ArrayList/internalDispatchEvent()[E:\dev\3.1.0\frameworks\projects\framework\src\mx\collections\ArrayList.as:510]
at
mx.collections::ArrayList/addItemAt()[E:\dev\3.1.0\frameworks\projects\framework\src\mx\collections\ArrayList.as:311]
at
mx.collections::ListCollectionView/addItemAt()[E:\dev\3.1.0\frameworks\projects\framework\src\mx\collections\ListCollectionView.as:501]
at
components.section_page_manager::section_page_add_form/addPage()[D:\xampp\htdocs\flex\survey_builder_v3\src\components\section_page_manager\section_page_add_form.mxml:206]
at
components.section_page_manager::section_page_add_form/doSave()[D:\xampp\htdocs\flex\survey_builder_v3\src\components\section_page_manager\section_page_add_form.mxml:93]
at
components.section_page_manager::section_page_editor/__btnSave_click()[D:\xampp\htdocs\flex\survey_builder_v3\src\components\section_page_manager\section_page_editor.mxml:94]
