Fatal error:  Uncaught TypeError: fwrite(): Argument #1 ($stream) must be of type resource, bool given in /var/www/clients/client668/web2322/web/stagenet/core/maintanance/emptycache.php:12
Stack trace:
#0 /var/www/clients/client668/web2322/web/stagenet/core/maintanance/emptycache.php(12): fwrite()
#1 /var/www/clients/client668/web2322/web/stagenet/core/seitenaufbau.php(108): include('...')
#2 /var/www/clients/client668/web2322/web/stagenet/core/index.php(18): require_once('...')
#3 {main}
  thrown in /var/www/clients/client668/web2322/web/stagenet/core/maintanance/emptycache.php on line 12