Ol file manager can't RENAME document under External storage (Memory card)

[adisalat2]

Project Information
-Repository
https://github.com/openintents/filemanager

-Project Name:Ol file manager

Expected Behaviour
The application should be able to edit and rename any type of document under external storage

Actual Behaviour.
The application was unable to rename and edit file

How to reproduce
Download the app from fdroid
Start the app
Goto external storage(Sd Card)
Long press on file you wish to rename
Then choose option icon and select "Rename"
Hence,the bug.

Recording of the bug

https://youtu.be/b-I1YEEdK-8

-Browser:Ol file manager v2.2.3

-Operating System:Android 7.0