Fatal error: Uncaught TypeError: array_key_exists(): Argument #2 ($array) must be of type array, null given in /home/httpd/vhosts/winterthur-glossar.ch/httpdocs/customer/extentions/mpdf/controller/fe_controller.php:347
Stack trace:
#0 /home/httpd/vhosts/winterthur-glossar.ch/httpdocs/system/core/controller.php(192): FE_mpdf->createPDF('fussballplatz-t...')
#1 /home/httpd/vhosts/winterthur-glossar.ch/httpdocs/frontend/controller/fe_controller.php(176): Controller->loadController('mpdf', false)
#2 /home/httpd/vhosts/winterthur-glossar.ch/httpdocs/index.php(77): FE_Controller->getController('mpdf')
#3 {main}
  thrown in /home/httpd/vhosts/winterthur-glossar.ch/httpdocs/customer/extentions/mpdf/controller/fe_controller.php on line 347