fix: [flask] fix error 500 logger for not logged users

Author: Terrtia

var/www/Flask_server.py

@@ -276,7 +276,10 @@ def _handle_client_error(e):
         return Response(json.dumps({"status": "error", "reason": "Server Error"}) + '\n', mimetype='application/json'), 500
     else:
         if current_user:
-            flask_logger.warning(f'User: {current_user.get_user_id()}')
+            try:
+                flask_logger.warning(f'User: {current_user.get_user_id()}')
+            except AttributeError as e:
+                flask_logger.warning(f'Anonymous User error (AnonymousUserMixin, user not logged)')
         return e
 
 @login_required