BackStackRecord.java line 651

#### in android.support.v4.app.BackStackRecord.run
- Number of crashes: 1
- Impacted devices: 1

There's a lot more information about this crash on crashlytics.com:
[https://crashlytics.com/alter-ego-srls/android/apps/org.dronix.android.unisannio/issues/53dcdd45e3de5099ba9842e9](https://crashlytics.com/alter-ego-srls/android/apps/org.dronix.android.unisannio/issues/53dcdd45e3de5099ba9842e9)
