kazam can not select the window for screencasting in Fedora30 (can I report it here in Ubuntu group?)

[Jari Kosonen]

[jari@localhost Mismatch_sim2l]$ kazam
/usr/bin/kazam:77: DeprecationWarning: dist() and linux_distribution() functions are deprecated in Python 3.5
  dist = platform.linux_distribution()

** (kazam:12809): WARNING **: 16:35:52.883: Binding '<Super><Ctrl>R' failed!

** (kazam:12809): WARNING **: 16:35:52.883: Binding '<Super><Ctrl>F' failed!

** (kazam:12809): WARNING **: 16:35:52.883: Binding '<Super><Ctrl>P' failed!

** (kazam:12809): WARNING **: 16:35:52.883: Binding '<Super><Ctrl>W' failed!

** (kazam:12809): WARNING **: 16:35:52.883: Binding '<Super><Ctrl>Q' failed!
/usr/lib/python3.7/site-packages/kazam/app.py:145: Warning: value "((GtkIconSize) 32)" of type 'GtkIconSize' is invalid or out of range for property 'icon-size' of type 'GtkIconSize'
  self.builder.add_from_file(os.path.join(prefs.datadir, "ui", "kazam.ui"))

(kazam:12809): Gtk-WARNING **: 16:35:52.928: Can't set a parent on widget which has a parent

(kazam:12809): Gtk-WARNING **: 16:35:52.937: Can't set a parent on widget which has a parent