Fatal error: Uncaught TypeError: Argument 1 passed to Functions::dateFormat() must be of the type string, null given, called in /var/www/vhosts/samenvoorgambia.nl/httpdocs/frontend/pages/events/specific/index.php on line 106 and defined in /var/www/vhosts/samenvoorgambia.nl/httpdocs/classes/class.functions.php:90 Stack trace: #0 /var/www/vhosts/samenvoorgambia.nl/httpdocs/frontend/pages/events/specific/index.php(106): Functions::dateFormat() #1 /var/www/vhosts/samenvoorgambia.nl/httpdocs/frontend/index.php(26): include('/var/www/vhosts...') #2 /var/www/vhosts/samenvoorgambia.nl/httpdocs/index.php(2): require_once('/var/www/vhosts...') #3 {main} thrown in /var/www/vhosts/samenvoorgambia.nl/httpdocs/classes/class.functions.php on line 90