Crash Occurs When Naming a Compressed File '/'

Expected Behavior

Naming a Compressed File '/' results in an invalid name error.

Actual Behavior

Naming a Compressed File '/' results in a Crash.

How to Reproduce

1. Launch Amaze File Manager 3.2.1 on Android 8.1.0
2. Select a File
3. Click the 3 Vertical Dots icon at the very top right
4. Select 'Compress'
5. Name the file '/'
6. Select 'Create'

Device: Pixel 2 XL
OS: Android 8.1.0
App Version: 3.2.1

Recording of the Bug