Crash в Crashlytics

Почему при старте виджета с интегрированным Firebase Crashlytics выпадает это?

 W/CrashlyticsCore: Cannot invoke method: registerOnMeasurementEventListener
    java.lang.reflect.InvocationTargetException
        at java.lang.reflect.Method.invoke(Native Method)
        at java.lang.reflect.Method.invoke(Method.java:372)
        at com.crashlytics.android.core.DefaultAppMeasurementEventListenerRegistrar.invoke(DefaultAppMeasurementEventListenerRegistrar.java:100)
        at com.crashlytics.android.core.DefaultAppMeasurementEventListenerRegistrar.register(DefaultAppMeasurementEventListenerRegistrar.java:54)
        at com.crashlytics.android.core.CrashlyticsController.registerAnalyticsEventListener(CrashlyticsController.java:1580)
        at com.crashlytics.android.core.CrashlyticsCore.doInBackground(CrashlyticsCore.java:328)
        at com.crashlytics.android.core.CrashlyticsCore.doInBackground(CrashlyticsCore.java:44)
        at io.fabric.sdk.android.InitializationTask.doInBackground(InitializationTask.java:63)
        at io.fabric.sdk.android.InitializationTask.doInBackground(InitializationTask.java:28)
        at io.fabric.sdk.android.services.concurrency.AsyncTask$2.call(AsyncTask.java:311)
        at java.util.concurrent.FutureTask.run(FutureTask.java:237)
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:422)
        at java.util.concurrent.FutureTask.run(FutureTask.java:237)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1112)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:587)
        at java.lang.Thread.run(Thread.java:818)
     Caused by: java.lang.RuntimeException: Unexpected AppMeasurement.OnEventListener signature
        at com.crashlytics.android.core.DefaultAppMeasurementEventListenerRegistrar$1.invoke(DefaultAppMeasurementEventListenerRegistrar.java:126)
        at java.lang.reflect.Proxy.invoke(Proxy.java:397)
        at $Proxy1.equals(Unknown Source)
        at java.util.concurrent.CopyOnWriteArrayList.indexOf(CopyOnWriteArrayList.java:450)
        at java.util.concurrent.CopyOnWriteArrayList.indexOf(CopyOnWriteArrayList.java:151)
        at java.util.concurrent.CopyOnWriteArrayList.contains(CopyOnWriteArrayList.java:121)
        at java.util.concurrent.CopyOnWriteArrayList.addIfAbsent(CopyOnWriteArrayList.java:331)
        at java.util.concurrent.CopyOnWriteArraySet.add(CopyOnWriteArraySet.java:218)
        at com.google.android.gms.measurement.internal.zzcs.registerOnMeasurementEventListener(Unknown Source)
        at com.google.android.gms.measurement.AppMeasurement.registerOnMeasurementEventListener(Unknown Source)
        at java.lang.reflect.Method.invoke(Native Method) 
        at java.lang.reflect.Method.invoke(Method.java:372) 
        at com.crashlytics.android.core.DefaultAppMeasurementEventListenerRegistrar.invoke(DefaultAppMeasurementEventListenerRegistrar.java:100) 
        at com.crashlytics.android.core.DefaultAppMeasurementEventListenerRegistrar.register(DefaultAppMeasurementEventListenerRegistrar.java:54) 
        at com.crashlytics.android.core.CrashlyticsController.registerAnalyticsEventListener(CrashlyticsController.java:1580) 
        at com.crashlytics.android.core.CrashlyticsCore.doInBackground(CrashlyticsCore.java:328) 
        at com.crashlytics.android.core.CrashlyticsCore.doInBackground(CrashlyticsCore.java:44) 
        at io.fabric.sdk.android.InitializationTask.doInBackground(InitializationTask.java:63) 
        at io.fabric.sdk.android.InitializationTask.doInBackground(InitializationTask.java:28) 
        at io.fabric.sdk.android.services.concurrency.AsyncTask$2.call(AsyncTask.java:311) 
        at java.util.concurrent.FutureTask.run(FutureTask.java:237) 
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:422) 
        at java.util.concurrent.FutureTask.run(FutureTask.java:237) 
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1112) 
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:587) 
        at java.lang.Thread.run(Thread.java:818)