Fatal error: Uncaught Error: Class 'AmazonPHP\SellingPartner\Exception\Exception' not found in /Applications/XAMPP/xamppfiles/htdocs/Project_April/sp-api-sdk-5.x/src/AmazonPHP/SellingPartner/Exception/AssertionException.php:7 Stack trace: #0 {main} thrown in /Applications/XAMPP/xamppfiles/htdocs/Project_April/sp-api-sdk-5.x/src/AmazonPHP/SellingPartner/Exception/AssertionException.php on line 7