java.lang.IllegalStateException: Task is already complete
    at com.google.android.gms.common.internal.Preconditions.checkState(Unknown Source)
    at com.google.android.gms.tasks.zzu.zzc(Unknown Source)
    at com.google.android.gms.tasks.zzu.setException(Unknown Source)
    at com.google.android.gms.tasks.TaskCompletionSource.setException(Unknown Source)
    at me.k01d.serienstream.serienstream.SerienStream$login$1.onSuccess(SerienStream.kt:372)
    at me.k01d.serienstream.cache.AsyncCachedClient$ClientData.onPostExecute(AsyncCachedClient.kt:89)
    at me.k01d.serienstream.cache.AsyncCachedClient$ClientData.onPostExecute(AsyncCachedClient.kt:26)
    at android.os.AsyncTask.finish(AsyncTask.java:651)
    at android.os.AsyncTask.access$500(AsyncTask.java:180)
    at android.os.AsyncTask$InternalHandler.handleMessage(AsyncTask.java:668)
    at android.os.Handler.dispatchMessage(Handler.java:102)
    at android.os.Looper.loop(Looper.java:234)
    at android.app.ActivityThread.main(ActivityThread.java:5526)
    at java.lang.reflect.Method.invoke(Native Method)
    at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726)
    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616)
    at de.robv.android.xposed.XposedBridge.main(XposedBridge.java:107)