Application Stalls When Incorrect Private Posting Key is Entered

Expected Behavior

Entering the wrong Private Posting key results in an error message.

Actual Behavior

Entering the wrong Private Posting key results in the application becoming unresponsive.

How to Reproduce

1. Launch eSteem 1.5.1 on Android 8.1.0
2. Tap the 3 Horizontal Lines in the Upper Left
3. Tap Login
4. Tap Advanced
5. Enter a valid username
6. Enter an invalid Private Posting Key
7. Tap Login

Device: Pixel 2 XL
OS: Android 8.1.0
App Version: 1.5.1

Recording of the Bug