Dear User,

WP Super Cache was removed from your blog or deactivated but some files could
not be deleted.

/home/rbbckp2r9hqw/www.kktcilanlarim.com/wp-content/advanced-cache.php

You should delete these files manually.
You may need to change the permissions of the files or parent directory.
You can read more about this in the Codex at
https://codex.wordpress.org/Changing_File_Permissions#About_Chmod

Thank you.