This crash does not appear to relate to handouts - i followed the instructions given for that error, have not handouts, and it still crashes.
The crash log text is refering to problems with stylepath, Highlighting and VisualMarkups and VisualFilters.
Error ID: 5844
Error detail: FormatException: stylePath is not in the correct format.
Full logs:1768.Logos4_6a beta3.zip
Indexing appears to be carrying on fine while the app crashes around it.