We received a FlutterError report:
Non-fatal Exception: FlutterError
0 ??? 0x0 _Completer.completeError (dart:async)
1 ??? 0x0 HubConnection.invoke.<fn> + 599 (hub_connection.dart:599)
We might need to check the p.isCompleted before calling to complete or completeError method.
We received a FlutterError report:
We might need to check the p.isCompleted before calling to
completeorcompleteErrormethod.