NetworkManager PermissionDenied

[Picollus1]

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Unable to connect any country as i get the following error in log :

Proton.vpn.app.gtk.widgets.main.exception_handler:175 | CRITICAL | APP:CRASH | Unexpected error.
Traceback (most recent call last):
File "/app/lib/python3.11/site-packages/proton/vpn/killswitch/backend/linux/networkmanager/nmclient.py", line 332, in _on_property_set
if not nm_client or not res or not nm_client.dbus_set_property_finish(res):

gi.repository.GLib.GError: nm-manager-error-quark: GDBus.Error:org.freedesktop.NetworkManager.PermissionDenied: Not authorized to perform this operation (1)

I am running Mint Linux.

I tried to allow everything in /usr/share/dbus-1/system.d/org.freedesktop.NetworkManager.conf without any success. Same error occur.