chmod 755

Most likely in your case these folders need to have 777 permissions on your server to be accessible by the plugin ??

Try it.

Thanks, i deactivated the wp-fastest … because i got another weired problems with that site. the navigation completely flipped out. Maybe you know a solution? i will make a new topic. look at that and klick the navigation. weired is that all is fine when i am logged in as admin. than it works 100%.
https://stamm-piano.de/

Hi schischko, probably you have already stoped to use wpfc.

What is wpfc? I Know just that:) https://www.wpfc.org/

ow no no ?? wpfc means that WP Fastest cache