Fatal error: Uncaught TypeError: extract(): Argument #1 ($array) must be of type array, null given in /home/conferencealert/public_html/event_detail.php:29 Stack trace: #0 /home/conferencealert/public_html/event_detail.php(29): extract(NULL) #1 {main} thrown in /home/conferencealert/public_html/event_detail.php on line 29