I have this exception in Fabric Crashlytics:

The crash occurs in this line:

Application
public class MyApplication extends MultiDexApplication {
    @Override
    public void onCreate() {
        super.onCreate();
        Realm.init(this);
    }
}

Caused by io.realm.exceptions.RealmError: Unrecoverable error. Read-only file system in /Users/Nabil/Dev/realm/master/realm-java/realm/realm-library/src/main/cpp/io_realm_SyncManager.cpp line 109
at io.realm.SyncManager.nativeInitializeSyncManager(SyncManager.java)
at io.realm.ObjectServer.init(ObjectServer.java:67)
at java.lang.reflect.Method.invoke(Method.java)
at io.realm.internal.SyncObjectServerFacade.init(SyncObjectServerFacade.java:56)
at io.realm.Realm.init(Realm.java:249)
at br.tv.horizonte.android.premierefc.PremiereApplication.onCreate(PremiereApplication.java:54)
at android.app.Instrumentation.callApplicationOnCreate(Instrumentation.java:1018)
at android.app.ActivityThread.handleBindApplication(ActivityThread.java:4991)
at android.app.ActivityThread.-wrap1(ActivityThread.java)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1555)
at android.os.Handler.dispatchMessage(Handler.java:111)
at android.os.Looper.loop(Looper.java:207)
at android.app.ActivityThread.main(ActivityThread.java:5776)
at java.lang.reflect.Method.invoke(Method.java)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:789)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:679)

Goal

> What do you want to achieve?
I don't know reproduce this exception, I get Exception, on Fabric Crashlytics.

Expected Results

> ?

Actual Results

> E.g. full stack trace with exception

Steps & Code to Reproduce

I don't know reproduce this exception, I get Exception, on Fabric Crashlytics.
> Describe your current debugging efforts.
I don't know reproduce this exception, I get Exception, on Fabric Crashlytics.

Version of Realm and tooling

Realm version(s): ?
4.3.3
Realm sync feature enabled: yes/no
yes

Android Studio version: ?
3.0.1

Which Android version and device: ?
Android 6 - Lenovo VIBE X3 Lite100%
Android 6 - Moto E with 4G LTE (2nd Gen)