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Fatal error: Uncaught TypeError: Argument 1 passed to ITEM::ITEM_DISCOUNTED_SEL() must be of the type int, null given, called in /www/eshop/template/apipraktik/item/items_discounted_BLL.php on line 26 and defined in /www/eshop/db/item.php:33 Stack trace: #0 /www/eshop/template/apipraktik/item/items_discounted_BLL.php(26): ITEM::ITEM_DISCOUNTED_SEL(NULL, 1, 20, 'most_selled', 0, 0, 0) #1 /www/eshop/template/apipraktik/item/items_discounted.php(2): require_once('/www/eshop/temp...') #2 /www/eshop/index.php(46): require_once('/www/eshop/temp...') #3 {main}thrown in /www/eshop/db/item.php on line 33