WordPress database error: [Column 'class_id' cannot be null]
INSERT INTO `pts_transactions_classes` (`transaction_id`, `class_id`, `quantity`) VALUES ('693748', NULL, '1')

WordPress database error: [Column 'class_id' cannot be null]
INSERT INTO `pts_transactions_classes` (`transaction_id`, `class_id`, `quantity`) VALUES ('693748', NULL, '1')


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