Subscription status automatically changes to ‘Never Subscribed’ when receiving push notification

[TamilCodeRays]

How can we help?

After restarting my mobile, OneSignal is showing an error, and my subscription status has changed to ‘Never Subscribed’. I had been receiving notifications normally for the past 20 days.

this is my log

[AppDetails-Worker] OperationRepo.enqueue(operation: {"name":"update-subscription","appId":"","onesignalId":"","subscriptionId":","type":"PUSH","enabled":false,"address":"","status":"FIREBASE_FCM_ERROR_IOEXCEPTION_OTHER"}, flush: false)

[Thread-28] Error Getting FCM Token (Ask Gemini)
java.lang.Exception: java.io.IOException: java.util.concurrent.ExecutionException: java.io.IOException: TOO_MANY_REGISTRATIONS
at com.onesignal.notifications.internal.registration.impl.PushRegistratorAbstractGoogle.attemptRegistration(SourceFile:181)
at com.onesignal.notifications.internal.registration.impl.PushRegistratorAbstractGoogle.registerInBackground(SourceFile:93)
at com.onesignal.notifications.internal.registration.impl.PushRegistratorAbstractGoogle.internalRegisterForPush(SourceFile:83)
at com.onesignal.notifications.internal.registration.impl.PushRegistratorAbstractGoogle.registerForPush$suspendImpl(SourceFile:92)
at com.onesignal.notifications.internal.registration.impl.PushRegistratorAbstractGoogle.registerForPush(Unknown Source:0)
at com.onesignal.notifications.internal.pushtoken.PushTokenManager.retrievePushToken(SourceFile:83)
at com.onesignal.notifications.internal.listeners.DeviceRegistrationListener$retrievePushTokenAndUpdateSubscription$1.invokeSuspend(SourceFile:35)
at com.onesignal.notifications.internal.listeners.DeviceRegistrationListener$retrievePushTokenAndUpdateSubscription$1.invoke(SourceFile:2)
at com.onesignal.notifications.internal.listeners.DeviceRegistrationListener$retrievePushTokenAndUpdateSubscription$1.invoke(SourceFile:1)
at com.onesignal.common.threading.ThreadUtilsKt$suspendifyOnThread$1$1.invokeSuspend(SourceFile:31)
at kotlin.coroutines.jvm.internal.BaseContinuationImpl.resumeWith(SourceFile:12)
at kotlinx.coroutines.DispatchedTask.run(SourceFile:126)
at kotlinx.coroutines.EventLoopImplBase.processNextEvent(SourceFile:19)
at kotlinx.coroutines.BlockingCoroutine.joinBlocking(SourceFile:27)
at kotlinx.coroutines.BuildersKt__BuildersKt.runBlocking(SourceFile:77)
at kotlinx.coroutines.f.e(SourceFile:1)
at kotlinx.coroutines.BuildersKt__BuildersKt.runBlocking$default(SourceFile:7)
at kotlinx.coroutines.f.f(SourceFile:1)
at com.onesignal.common.threading.ThreadUtilsKt$suspendifyOnThread$1.invoke(SourceFile:2)
at com.onesignal.common.threading.ThreadUtilsKt$suspendifyOnThread$1.invoke(SourceFile:1)
at kotlin.concurrent.ThreadsKt$thread$thread$1.run(SourceFile:3)
Caused by: java.io.IOException: java.util.concurrent.ExecutionException: java.io.IOException: TOO_MANY_REGISTRATIONS
at com.google.firebase.messaging.FirebaseMessaging.blockingGetToken(SourceFile:67)
at com.google.firebase.messaging.FirebaseMessaging.lambda$getToken$4(SourceFile:1)
at com.google.firebase.messaging.FirebaseMessaging.a(SourceFile:1)
at com.google.firebase.messaging.o.run(SourceFile:1)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:524)
at java.util.concurrent.FutureTask.run(FutureTask.java:317)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:348)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1156)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:651)
at com.google.android.gms.common.util.concurrent.zza.run(SourceFile:7)
at java.lang.Thread.run(Thread.java:1119)
Caused by: java.util.concurrent.ExecutionException: java.io.IOException: TOO_MANY_REGISTRATIONS
at com.google.android.gms.tasks.Tasks.zza(SourceFile:32)
at com.google.android.gms.tasks.Tasks.await(SourceFile:9)
at com.google.firebase.messaging.FirebaseMessaging.blockingGetToken(SourceFile:55)
at com.google.firebase.messaging.FirebaseMessaging.lambda$getToken$4(SourceFile:1) 
at com.google.firebase.messaging.FirebaseMessaging.a(SourceFile:1) 
at com.google.firebase.messaging.o.run(SourceFile:1) 
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:524) 
at java.util.concurrent.FutureTask.run(FutureTask.java:317) 
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:348) 
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1156) 
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:651) 
at com.google.android.gms.common.util.concurrent.zza.run(SourceFile:7) 
at java.lang.Thread.run(Thread.java:1119) 
Caused by: java.io.IOException: TOO_MANY_REGISTRATIONS
at com.google.firebase.messaging.GmsRpc.handleResponse(SourceFile:41)
at com.google.firebase.messaging.GmsRpc.lambda$extractResponseWhenComplete$0(SourceFile:9)
at com.google.firebase.messaging.GmsRpc.a(SourceFile:1)
at com.google.firebase.messaging.v.then(SourceFile:1)
at com.google.android.gms.tasks.zzc.run(SourceFile:27)
at androidx.credentials.h.execute(SourceFile:1)
at com.google.android.gms.tasks.zzd.zzd(SourceFile:8)
at com.google.android.gms.tasks.zzr.zzb(SourceFile:38)
2025-11-24 19:29:40.268 31707-31844 OneSignal com.coderays.tamilcalendar E at com.google.android.gms.tasks.zzw.zzb(SourceFile:15) (Ask Gemini)
at com.google.android.gms.tasks.zzc.run(SourceFile:37)
at com.google.android.gms.cloudmessaging.zzy.execute(Unknown Source:0)
at com.google.android.gms.tasks.zzd.zzd(SourceFile:8)
at com.google.android.gms.tasks.zzr.zzb(SourceFile:38)
at com.google.android.gms.tasks.zzw.zzb(SourceFile:15)
at com.google.android.gms.tasks.TaskCompletionSource.setResult(SourceFile:3)
at com.google.android.gms.cloudmessaging.zzr.zzd(SourceFile:48)
at com.google.android.gms.cloudmessaging.zzt.zza(SourceFile:11)
at com.google.android.gms.cloudmessaging.zzk.handleMessage(SourceFile:108)
at android.os.Handler.dispatchMessage(Handler.java:103)
at android.os.Looper.loopOnce(Looper.java:282)
at android.os.Looper.loop(Looper.java:387)
at android.app.ActivityThread.main(ActivityThread.java:9500)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:600)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1005)
2025-11-24 19:29:40.454 31707-31789 OneSignal com.coderays.tamilcalendar D [OpRepo] processQueueForever:ops:

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