Livestream

Fatal error: Uncaught TypeError: ksort(): Argument #1 ($array) must be of type array, null given in /var/customers/webs/Mats/www/include/class/event/class_event_livestreams.php:636 Stack trace: #0 /var/customers/webs/Mats/www/include/class/event/class_event_livestreams.php(636): ksort() #1 /var/customers/webs/Mats/www/include/class/event/class_event_livestreams.php(460): Event_livestreams->sort_livetstreams_by_timestamp() #2 /var/customers/webs/Mats/www/event_livestream.php(18): Event_livestreams->show_all_livestreams() #3 /var/customers/webs/Mats/www/show_event.php(311): include('...') #4 /var/customers/webs/Mats/www/index.php(48): include('...') #5 {main} thrown in /var/customers/webs/Mats/www/include/class/event/class_event_livestreams.php on line 636