FATAL ERROR(1): "Uncaught InvalidArgumentException: IntType: Invalid argument value given (expected numeric int got NULL):  in /mnt/web223/a0/77/57163677/htdocs/risse-shop/gx3/GXEngine/Shared/Types/IntType.inc.php:44
Stack trace:
#0 /mnt/web223/a0/77/57163677/htdocs/risse-shop/gx3/GXEngine/Shared/Types/IdType.inc.php(47): IntType->__construct()
#1 /mnt/web223/a0/77/57163677/htdocs/risse-shop/gx3/popup_image.php(28): IdType->__construct()
#2 {main}
  thrown"