(firefox-aurora:3871): GLib-GObject-WARNING

[Aliul]

dear sir
fact is that when i run firefox-aurora => development Edition at linux mint desktop ,
by the help of Terminal (CMD) 'firefox-dev' . I am getting such type of error/worrying messages
[

(firefox-aurora:4394): GLib-GObject-CRITICAL **: 02:18:31.857: g_signal_emit_by_name: assertion 'G_TYPE_CHECK_INSTANCE (instance)' failed
[Parent 4394, Main Thread] WARNING: invalid (NULL) pointer instance: 'glib warning', file /builds/worker/checkouts/gecko/toolkit/xre/nsSigHandlers.cpp:167

(firefox-aurora:4394): GLib-GObject-WARNING **: 02:18:31.857: invalid (NULL) pointer instance
[Parent 4394, Main Thread] WARNING: g_signal_emit_by_name: assertion 'G_TYPE_CHECK_INSTANCE (instance)' failed: 'glib warning', file /builds/worker/checkouts/gecko/toolkit/xre/nsSigHandlers.cpp:167

(firefox-aurora:4394): GLib-GObject-CRITICAL **: 02:18:31.857: g_signal_emit_by_name: assertion 'G_TYPE_CHECK_INSTANCE (instance)' failed ]



IF THERE HAS A SOLUTION , PLEASE COMMENT OUT ME.

[msetzerii]

Getting similar entries in message log with gdm and firefox??

Nov 5 09:39:17 setzconote /usr/libexec/gdm-x-session[123970]: [Parent 123970, Main Thread] WARNING: Failed to call GetIdletime(): GDBus.Error:org.freedesktop.DBus.Error.ServiceUnknown: The name is not activatable
Nov 5 09:39:17 setzconote /usr/libexec/gdm-x-session[123970]: : 'glib warning', file /builddir/build/BUILD/firefox-119.0/toolkit/xre/nsSigHandlers.cpp:167
Nov 5 09:39:17 setzconote firefox[123970]: Failed to call GetIdletime(): GDBus.Error:org.freedesktop.DBus.Error.ServiceUnknown: The name is not activatable

Listed many times.