Exception: Failed to write the characteristic

[itlws]

`[ERROR:flutter/runtime/dart_vm_initializer.cc(41)] Unhandled Exception: Exception: Exception: Failed to write the characteristic #0 BluetoothCharacteristic.write. (package:flutter_blue_plus/src/bluetooth_characteristic.dart:176:21)

#1 _Mutex.synchronized (package:flutter_blue_plus/src/utils.dart:316:13)

#2 BluetoothCharacteristic.write (package:flutter_blue_plus/src/bluetooth_characteristic.dart:143:9)

#0 BluetoothCharacteristic.write. (package:flutter_blue_plus/src/bluetooth_characteristic.dart:187:13)
#1 _RootZone.runBinary (dart:async/zone.dart:1665:54)
#2 _FutureListener.handleError (dart:async/future_impl.dart:162:22)
#3 Future._propagateToListeners.handleError (dart:async/future_impl.dart:779:47)
#4 Future._propagateToListeners (dart:async/future_impl.dart:800:13)
#5 Future._completeError (dart:async/future_impl.dart:575:5)
#6 Future._asyncCompleteError. (dart:async/future_impl.dart:666:7)
#7 _microtaskLoop (dart:async/schedule_microtask.dart:40:21)
#8 _startMicrotaskLoop (dart:async/schedule_microtask.dart:49:5)`

[chipweinberger]

update to 1.9.4. it should tell you the reason it fails.

ios or android?

[itlws]

Thank you! After upgrading to 1.9.4, I received an error message. The problem has now been resolved.