Jason Yin

#### Exception ``` W java.lang.IllegalStateException: This mutex is not locked W at kotlinx.coroutines.sync.MutexImpl.unlock(Mutex.kt:213) W at kotlinx.coroutines.sync.Mutex$DefaultImpls.unlock$default(Mutex.kt:98) W at no.nordicsemi.android.kotlin.ble.core.mutex.MutexWrapper.unlock(MutexWrapper.kt:57) W at no.nordicsemi.android.kotlin.ble.client.api.ClientMutexHandleCallback.tryEmit(ClientMutexHandleCallback.kt:32) W at no.nordicsemi.android.kotlin.ble.client.real.ClientBleGattCallback.onServicesDiscovered(ClientBleGattCallback.kt:70) W at android.bluetooth.BluetoothGatt$1$5.run(BluetoothGatt.java:347) W at...