flutter: subscription: wss://cloud.appwrite.io/v1/realtime?project=657c02eb5ef6fa90f1d0&channels%5B%5D=databases.printerdb.collections.files.documents
[ERROR:flutter/runtime/dart_vm_initializer.cc(41)] Unhandled Exception: type 'Null' is not a subtype of type 'Map<dynamic, dynamic>'
#0 new RealtimeResponse.fromMap (package:appwrite/src/realtime_response.dart:32:42)
#1 new RealtimeResponse.fromJson (package:appwrite/src/realtime_response.dart:39:24)
#2 RealtimeMixin._createSocket.<anonymous closure> (package:appwrite/src/realtime_mixin.dart:77:39)
#3 _RootZone.runUnaryGuarded (dart:async/zone.dart:1594:10)
#4 _BufferingStreamSubscription._sendData (dart:async/stream_impl.dart:365:11)
#5 _BufferingStreamSubscription._add (dart:async/stream_impl.dart:297:7)
#6 _SyncStreamControllerDispatch._sendData (dart:async/stream_controller.dart:784:19)
#7 _StreamController._add (dart:async/stream_controller.dart:658:7)
#8 _StreamController.add (dart:async/stream_controller.dart:606:5)
#9 _RootZone.runUnaryGuarded (dart:async/zone.dart:1594:10)
#10 _BufferingStreamSubscription._sendData (dart:async/stream_impl<…>
TL;DR
Developers are encountering a realtime error in Flutter 13.1.1 related to a 'Null' type not being a subtype of 'Map<dynamic, dynamic>'. The error seems to be originating from the RealtimeMixin and RealtimeResponse files. There is no solution provided in the thread.
