if I enable the Client side less compilation and flush the static file cache I will get 404 Errors for all files in the media and pub/static direction. I'm using nginx.
If I compile the files manual with
php bin/magento setup:static-content:deploy -f --theme Magento/backend en_US it works but the *.less files are not compiled after I change something and reload the side.
Did anyone have a solution for this?