Creating two lists immediately causes the app to crash

Expected behavior

I should be able to create as many lists in less time.

Actual behavior

But when I try to create the next list immediately after creating one the app crashes.

How to reproduce

1. Install the app from Fdroid.
   
2. Launch the app.
   
3. Click on three vertical dots on top right corner of the app and click on Create New List.
   
4. Now immediately after creating one list create another list.
   
   The app crashes.
   

• App Version: 0.9.0
  
• Device: Samsung Galaxy J5
  
• Operating System: Android 6.0.1

Recording Of The Bug