App going to blank after deleting the apps from backup tab of Lucky Patcher

Expected behavior

When we delete all the apps in the Backup tab of Lucky Patcher then it must show the empty list or show a message of Empty.

Actual behavior

If the Auto backup switch on in the settings of Lucky Patcher it auto backups the newly installed apps automatically and these backup apps are found on the Backup tab of Lucky Patcher. If we want to delete all these backup apps we just click on Delete button, after deleting all the apps the page going to blank and the app does not work until we press the back key.

How to reproduce

• Download and install Lucky Patcher
  Version 7.1.2
• Click on switch tab as shown in this screenshot
  
• Switch on the Auto Backup Switch as shown in these screenshots
  
• Now install some apps and then delete them from the Backup tab of Lucky Patcher
  
• After successfully backup go to backup tab as shown in this screenshot
  
• Deleting the backup apps
  
• The Screen going to blank and does not work until we hit the back key
  

• Lucky Patcher
  Version 7.1.2
• Operating system: Android Nouget 7.0