Fatal error: Uncaught TypeError: property_exists(): Argument #1 ($object_or_class) must be of type object|string, null given in /home/users/jassas/www/01_Shop/plugins/knm_fancyqtyinput/classes/KnmFQInputHandler.php:0 Stack trace: #0 /home/users/jassas/www/01_Shop/plugins/knm_fancyqtyinput/classes/KnmFQInputHandler.php(0): property_exists() #1 /home/users/jassas/www/01_Shop/plugins/knm_fancyqtyinput/classes/KnmFQInputHandler.php(0): Plugin\knm_fancyqtyinput\classes\KnmFQInputHandler->isEnabled() #2 /home/users/jassas/www/01_Shop/plugins/knm_fancyqtyinput/Bootstrap.php(0): Plugin\knm_fancyqtyinput\classes\KnmFQInputHandler->validUse() #3 /home/users/jassas/www/01_Shop/includes/src/Shop.php(457): Plugin\knm_fancyqtyinput\Bootstrap->boot() #4 /home/users/jassas/www/01_Shop/includes/globalinclude.php(71): JTL\Shop::bootstrap() #5 /home/users/jassas/www/01_Shop/index.php(7): require('...') #6 {main} thrown in /home/users/jassas/www/01_Shop/plugins/knm_fancyqtyinput/classes/KnmFQInputHandler.php on line 0