Fatal error: Uncaught Error: Interface "Money\Exchange" not found in D:\xampp\htdocs\dropifypro\vendor\moneyphp\money\src\Exchange\SwapExchange.php:17 Stack trace: #0 {main} thrown in D:\xampp\htdocs\dropifypro\vendor\moneyphp\money\src\Exchange\SwapExchange.php on line 17