Authentication failed in network library

I am using fbreader in past ....but i deleted fb reader google drive files 
Now i going to see network library in android show authentication failed ...i want to add new one 

<img width="1080" height="2400" alt="Image" src="https://github.com/user-attachments/assets/dfdbb9b8-6f38-45ae-becd-f50e68655cd0" />

 