/usr/bin/gitg:11:gitg_stage_stage_path_co:gitg_stage_stage_path:gitg_commit_activity_stage_file_co:gitg_commit_activity_stage_file:gitg_commit_activity_stage_items_co

The Ubuntu Error Tracker has been receiving reports about a problem regarding gitg. This problem was most recently seen with package version 3.23.0-1, the problem page at https://errors.ubuntu.com/problem/d838685515d72e33681793b18f75c5360c20dd39 contains more details, including versions of packages affected, stacktrace or traceback, and individual crash reports.
If you do not have access to the Ubuntu Error Tracker and are a software developer, you can request it at http://forms.canonical.com/reports/.