NextCloud-Client Snap

OK I can connect to the remote instance and even do some minor operations, but am having some difficulty transferring larger files and/or directories with many individual files: The only relevant entry in my log file afterwards is:

apparmor=“DENIED” operation=“dbus_method_call” bus=“session” path="/org/freedesktop/Notifications" interface=“org.freedesktop.DBus.Introspectable” member=“Introspect” mask=“send” name=“org.freedesktop.Notifications” pid=32007 label=“snap.nextcloud-client.nextcloud-client” peer_pid=19617 peer_label=“unconfined”

I did run 'snap connect nextcloud-client:password-manager-service' before running the NextCloud snap, so the apparmour deny is puzzling me.

Any ideas, ladies and gentlemen? Thank-you!