Hi Christos,
Google Groups is meant for general product discussions and not for technical support. It is recommended you open an issue at the Issue Tracker <https://cloud.google.com/support/docs/issue-trackers> report with more information such as your project-ID, app.yaml/appengine-web.xml config files, and the exact timestamp of when this issue occurred so that our support can better assist you, thanks! - Jun On Thursday, May 4, 2017 at 4:48:14 AM UTC-4, christos vassilopoulos wrote: > > Hi. I have an app in appspot using the Course Builder. App worked fine > until a few days ago where when I try to add a new Unit I get: 500 > Internal Server Error The server has either erred or is incapable of > performing the requested operation. > > I checked the log files and saw that the error that repeats is > > AttributeError: 'NoneType' object has no attribute 'lesson_id'get ( > /base/data/home/apps/e~sev-exports/20170426t200457.400835856987044385/controllers/lessons.py:139 > > <https://console.cloud.google.com/debug/fromlog?appModule=default&appVersion=20170427t113542&file=%2Fbase%2Fdata%2Fhome%2Fapps%2Fe~sev-exports%2F20170426t200457.400835856987044385%2Fcontrollers%2Flessons.py&line=139&project=sev-exports> > ) > > RAW shows: > > Traceback (most recent call last): > File > "/base/data/home/runtimes/python27/python27_lib/versions/third_party/webapp2-2.5.2/webapp2.py", > line 1535, in __call__ > rv = self.handle_exception(request, response, e) > File > "/base/data/home/runtimes/python27/python27_lib/versions/third_party/webapp2-2.5.2/webapp2.py", > line 1529, in __call__ > rv = self.router.dispatch(request, response) > File > "/base/data/home/runtimes/python27/python27_lib/versions/third_party/webapp2-2.5.2/webapp2.py", > line 1278, in default_dispatcher > return route.handler_adapter(request, response) > File > "/base/data/home/runtimes/python27/python27_lib/versions/third_party/webapp2-2.5.2/webapp2.py", > line 1102, in __call__ > return handler.dispatch() > File > "/base/data/home/runtimes/python27/python27_lib/versions/third_party/webapp2-2.5.2/webapp2.py", > line 572, in dispatch > return self.handle_exception(e, self.app.debug) > File > "/base/data/home/runtimes/python27/python27_lib/versions/third_party/webapp2-2.5.2/webapp2.py", > line 570, in dispatch > return method(*args, **kwargs) > File > "/base/data/home/apps/e~sev-exports/20170426t200457.400835856987044385/controllers/sites.py", > line 868, in get > handler.get() > File > "/base/data/home/apps/e~sev-exports/20170426t200457.400835856987044385/controllers/lessons.py", > line 139, in get > self.template_value['lesson_id'] = lesson.lesson_id > AttributeError: 'NoneType' object has no attribute 'lesson_id' > > > > Any ideas/solutions? > > > Thanks. > > -- You received this message because you are subscribed to the Google Groups "Google App Engine" group. To unsubscribe from this group and stop receiving emails from it, send an email to google-appengine+unsubscr...@googlegroups.com. To post to this group, send email to google-appengine@googlegroups.com. Visit this group at https://groups.google.com/group/google-appengine. To view this discussion on the web visit https://groups.google.com/d/msgid/google-appengine/5df2a0d1-ab4e-445e-833c-c10779508ec1%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
