Traceback (most recent call last):
File "/usr/lib/python3.9/site-packages/gajim/gtk/start_chat.py", line 172, in _on_row_activated
self._start_new_chat(row)
File "/usr/lib/python3.9/site-packages/gajim/gtk/start_chat.py", line 290, in _start_new_chat
if app.interface.show_groupchat(row.account, row.jid):
File "/usr/lib/python3.9/site-packages/gajim/gui_interface.py", line 1310, in show_groupchat
gc_ctrl.parent_win.set_active_tab(gc_ctrl)
AttributeError: 'NoneType' object has no attribute 'parent_win'
...