does not delete files and albums

Try go to Gmedia Settings page -> Other Settings tab -> enable “Gmedia admin panel Isolation Mode” -> Update settings.

If not help contact me via Contact page: https://codeasily.com/contact/
with credentials to your WP admin, so I’ll try to fix your problem.

It did not help. I just sent you requied info via https://codeasily.com/contact/

Just to confirm: any delete does not work, neither for files, nor for libraries, albums, etc.