Fatal error: Uncaught Error: Undefined constant "HOOK_KATEGORIE_PAGE" in /var/www/clients/client0/web1/web/plugins/omega_listing/Bootstrap.php:87 Stack trace: #0 /var/www/clients/client0/web1/web/includes/src/Shop.php(337): Plugin\omega_listing\Bootstrap->boot() #1 /var/www/clients/client0/web1/web/includes/globalinclude.php(71): JTL\Shop::bootstrap() #2 /var/www/clients/client0/web1/web/index.php(7): require('...') #3 {main} thrown in /var/www/clients/client0/web1/web/plugins/omega_listing/Bootstrap.php on line 87