Fatal error: Uncaught Error: Call to undefined function path_join() in /users/laufgruppe-lvb/www/wordpress/wp-content/plugins/eventon-api/eventon-api.php:55 Stack trace: #0 /users/laufgruppe-lvb/www/wordpress/wp-content/plugins/eventon-api/eventon-api.php(27): EVOAP->super_init() #1 /users/laufgruppe-lvb/www/wordpress/wp-content/plugins/eventon-api/eventon-api.php(509): EVOAP->__construct() #2 {main} thrown in /users/laufgruppe-lvb/www/wordpress/wp-content/plugins/eventon-api/eventon-api.php on line 55