Fatal error: Uncaught Error: Interface "Money\Exchange" not found in D:\xampp\htdocs\dropifypro\vendor\moneyphp\money\src\Exchange\FixedExchange.php:15 Stack trace: #0 {main} thrown in D:\xampp\htdocs\dropifypro\vendor\moneyphp\money\src\Exchange\FixedExchange.php on line 15