This page is to add a card to the stock... With the way foreign keys are set up, the cards have to exist!
Fatal error: Uncaught mysqli_sql_exception: Unknown database 'of21045_MTG' in /System/Volumes/Data/Web/13DGT/of21045/Test/MTG/add_card.php:20 Stack trace: #0 /System/Volumes/Data/Web/13DGT/of21045/Test/MTG/add_card.php(20): mysqli_connect('localhost', 'of21045', 'Km4wyMQQl87Ufl', 'of21045_MTG') #1 {main} thrown in /System/Volumes/Data/Web/13DGT/of21045/Test/MTG/add_card.php on line 20