Fatal Exception: io.realm.exceptions.RealmMigrationNeededException: RealmMigration must be provided
       at io.realm.BaseRealm.migrateRealm(BaseRealm.java:741)
       at io.realm.Realm.migrateRealm(Realm.java:1331)
       at io.realm.Realm.migrateRealm(Realm.java:1318)
       at io.realm.Realm.createInstance(Realm.java:227)
       at io.realm.RealmCache.createRealmOrGetFromCache(RealmCache.java:126)
       at io.realm.Realm.getDefaultInstance(Realm.java:166)
       at com.meetball.database.ScavengerHuntDB.getCompleted(ScavengerHuntDB.java:53)
       at com.meetball.post_login.scavenger_hunt.ScavengerHuntManager.getCompleted(ScavengerHuntManager.java:63)
       at com.meetball.post_login.scavenger_hunt.map.ScavengerHuntMapFragment.checkForCompletion(ScavengerHuntMapFragment.java:131)
       at com.meetball.post_login.scavenger_hunt.map.ScavengerHuntMapFragment.access$100(ScavengerHuntMapFragment.java:29)
       at com.meetball.post_login.scavenger_hunt.map.ScavengerHuntMapFragment$1.onLocationUpdated(ScavengerHuntMapFragment.java:53)
       at com.meetball.utils.location.NewLocationManager$1.onLocationFound(NewLocationManager.java:63)
       at fr.quentinklein.slt.LocationTracker.onLocationChanged(LocationTracker.java:204)
       at android.location.LocationManager$ListenerTransport._handleMessage(LocationManager.java:281)
       at android.location.LocationManager$ListenerTransport.access$000(LocationManager.java:210)
       at android.location.LocationManager$ListenerTransport$1.handleMessage(LocationManager.java:226)
       at android.os.Handler.dispatchMessage(Handler.java:102)
       at android.os.Looper.loop(Looper.java:155)
       at android.app.ActivityThread.main(ActivityThread.java:5696)
       at java.lang.reflect.Method.invoke(Method.java)
       at java.lang.reflect.Method.invoke(Method.java:372)
       at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1028)
       at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:823)