Update connection-related logic

core/controllers/ConnectionController.py

@@ -404,6 +404,9 @@ class ConnectionController:
     @staticmethod
     def __should_renegotiate(profile: Union[SessionProfile, SystemProfile]):
 
+        if not profile.has_subscription():
+            raise MissingSubscriptionError()
+
         if profile.connection.needs_wireguard_configuration() and profile.has_wireguard_configuration():
 
             if profile.subscription.has_been_activated():