/usr/bin/midori:5:tabby_local_storage_construct:tabby_local_storage_new:tabby_manager_activated:_tabby_manager_activated_midori_extension_activate:g_closure_invoke

The Ubuntu Error Tracker has been receiving reports about a problem regarding midori. This problem was most recently seen with package version 0.5.11-ds1-4, the problem page at https://errors.ubuntu.com/problem/c3958612f6816a11b665ae356f17a68f4635aef1 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 you can request it at http://forms.canonical.com/reports/.