First, make sure that file actually exists.
If you are sure that this file should exists, then go to:
cPanel > File Manager > Settings (top right)
Check "Show Hidden Files (dotfiles)" and then click "Save".
Now you should see all hidden files.
If you are sure that this file should exists, then go to:
cPanel > File Manager > Settings (top right)
Check "Show Hidden Files (dotfiles)" and then click "Save".
Now you should see all hidden files.