Wat valt er in Jh Alleman te beleven?

Warning: file_get_contents(https://graph.facebook.com/v2.7/460679334082112/events/attending/?fields=id,name,description,place,timezone,start_time,cover&access_token=939273919501461|pY2xnCg09oZ3xNJkjOIGb08N08Q&since=1653688800&until=1704063600): Failed to open stream: HTTP request failed! HTTP/1.1 400 Bad Request in /customers/4/f/0/jhalleman.be/httpd.www/events.php on line 60 Warning: Trying to access array offset on value of type null in /customers/4/f/0/jhalleman.be/httpd.www/events.php on line 67 Fatal error: Uncaught TypeError: count(): Argument #1 ($value) must be of type Countable|array, null given in /customers/4/f/0/jhalleman.be/httpd.www/events.php:67 Stack trace: #0 {main} thrown in /customers/4/f/0/jhalleman.be/httpd.www/events.php on line 67