PlatformException(connect_error, java.io.IOException: gatt status 255, java.io.IOException: java.io.IOException: gatt status 255

[mnasirbaloch]

PlatformException(connect_error, java.io.IOException: gatt status 255, java.io.IOException: java.io.IOException: gatt status 255
at io.github.edufolly.flutterbluetoothserial.le.BluetoothConnectionLE.connect(BluetoothConnectionLE.java:103)
at io.github.edufolly.flutterbluetoothserial.FlutterBluetoothSerialPlugin$FlutterBluetoothSerialMethodCallHandler.lambda$onMethodCall$4$io-github-edufolly-flutterbluetoothserial-FlutterBluetoothSerialPlugin$FlutterBluetoothSerialMethodCallHandler(FlutterBluetoothSerialPlugin.java:1018)
at io.github.edufolly.flutterbluetoothserial.FlutterBluetoothSerialPlugin$FlutterBluetoothSerialMethodCallHandler$$ExternalSyntheticLambda9.run(Unknown Source:10)
at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:305)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:644)
at java.lang.Thread.run(Thread.java:1012)
Caused by: java.io.IOException: gatt status 255
at io.github.edufolly.flutterbluetoothserial.le.SerialSocket.onConnectionStateChange(SerialSocket.java:205)
at android.bluetooth.BluetoothGatt$1$4.run(BluetoothGatt.java:281)
at android.bluetooth.BluetoothGatt.runOrQueueCallback(BluetoothGatt.java:823)
at android.bluetooth.BluetoothGatt.access$200(BluetoothGatt.java:47)
at android.bluetooth.BluetoothGatt$1.onClientConnectionState(BluetoothGatt.java:276)
at android.bluetooth.IBluetoothGattCallback$Stub.onTransact(IBluetoothGattCallback.java:201)
at android.os.Binder.execTransactInternal(Binder.java:1187)
at android.os.Binder.execTransact(Binder.java:1146)
, null)