Chart error after upgrade to 7.7.2

Question

Hi all
I've found this error with all my charts in all projects , look like some add-on was deleted  but nothing seem to be connected with charts when I look at my add-ons list from previous versions. Look at the top of my chart. It used to look different

Tinker Fadoua · Answer

Lets start with the following:

https://confluence.atlassian.com/adminjiraserver073/logging-and-profiling-861253813.html

Tinker Fadoua · Answer

Ok let me get you the info that will help you.

Wikpol · Answer

Heh... to be honest I missed that function :D  always been doing it manually by analyzing documentation.

Since it stand on Windows system it may be a Windows based core issue ? But that's a long shot.

I do not know how to analyze logs . Maybe some guidence??