flutter-mqtt-chat-client
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[ERROR:flutter/lib/ui/ui_dart_state.cc(209)] Unhandled Exception: FormatException: Unexpected character (at character 2) {id: e74d8c82-626c-419b-b393-ab6bddcb093e, presenceType: Away
[ERROR:flutter/lib/ui/ui_dart_state.cc(209)] Unhandled Exception: FormatException: Unexpected character (at character 2)
{id: e74d8c82-626c-419b-b393-ab6bddcb093e, presenceType: Away, type: Presen...
^
#0 _ChunkedJsonParser.fail (dart:convert-patch/convert_patch.dart:1405:5)
#1 _ChunkedJsonParser.parse (dart:convert-patch/convert_patch.dart:935:48)
#2 _parseJson (dart:convert-patch/convert_patch.dart:40:10)
#3 JsonDecoder.convert (dart:convert/json.dart:506:36)
#4 JsonCodec.decode (dart:convert/json.dart:157:41)
#5 jsonDecode (dart:convert/json.dart:96:10)
#6 new MqttOnlineReader.<anonymous closure> (package:flutter_mqtt/MqttImpl/MqttOnlineReader.dart:31:41)
#7 _rootRunUnary (dart:async/zone.dart:1436:47)
#8 _CustomZone.runUnary (dart:async/zone.dart:1335:19)
#9 _CustomZone.runUnaryGuarded (dart:async/zone.dart:1244:7)
#10 _BufferingStreamSubscription._sendData (dart:async/stream_impl.dart:341:11)
#11 _DelayedData.perform (dart:async/stream_impl.dart:591:14)
#12 _StreamImplEvents.handleNext (dart:async/stream_impl.dart:706:11)
#13 _PendingEvents.schedule.<anonymous closure> (dart:async/stream_impl.dart:663:7)
#14 _rootRun (dart:async/zone.dart:1420:47)
#15 _CustomZone.run (dart:async/zone.dart:1328:19)
#16 _CustomZone.runGuarded (dart:async/zone.dart:1236:7)
#17 _CustomZone.bindCallbackGuarded.<anonymous closure> (dart:async/zone.dart:1276:23)
#18 _rootRun (dart:async/zone.dart:1428:13)
#19 _CustomZone.run (dart:async/zone.dart:1328:19)
#20 _CustomZone.runGuarded (dart:async/zone.dart:1236:7)
#21 _CustomZone.bindCallbackGuarded.<anonymous closure> (dart:async/zone.dart:1276:23)
#22 _microtaskLoop (dart:async/schedule_microtask.dart:40:21)
#23 _startMicrotaskLoop (dart:async/schedule_microtask.dart:49:5)
when sending image