Please try uninstalling these extensions and then tell us if the bug still occurs after they are gone:
'mediapla...@patapon.info' 'system-moni...@paradoxxx.zero.gmail.com' 'desktop-icons@csoriano' 'gsconn...@andyholmes.github.io' 'tracker-search@cewee' If the bug then no longer occurs, please re-enable extensions one by one in order to find out which one is causing the problem. ** Changed in: gnome-shell (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1812593 Title: gnome-shell[3159]: JS ERROR: Exception in callback for signal: activate: Error: Error invoking IBus.set_global_engine_async: Expected function for callback argument callback, got undefined To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1812593/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs