Fatal error: Uncaught Error: Call to undefined function path_join() in /users/laufgruppe-lvb/www/wordpress/wp-content/plugins/eventon-full-cal/eventon-full-cal.php:60 Stack trace: #0 /users/laufgruppe-lvb/www/wordpress/wp-content/plugins/eventon-full-cal/eventon-full-cal.php(37): EventON_full_cal->super_init() #1 /users/laufgruppe-lvb/www/wordpress/wp-content/plugins/eventon-full-cal/eventon-full-cal.php(31): EventON_full_cal->__construct() #2 /users/laufgruppe-lvb/www/wordpress/wp-content/plugins/eventon-full-cal/eventon-full-cal.php(106): EventON_full_cal::instance() #3 /users/laufgruppe-lvb/www/wordpress/wp-content/plugins/eventon-full-cal/eventon-full-cal.php(107): EVOFC() #4 {main} thrown in /users/laufgruppe-lvb/www/wordpress/wp-content/plugins/eventon-full-cal/eventon-full-cal.php on line 60