Fatal error: Uncaught Error: Class "AmazonPHP\Test\AmazonPHP\SellingPartner\Tests\Functional\SandboxTestCase" not found in /home/php8crons/public_html/amazon-sp-api/vendor/amazon-php/sp-api-sdk/tests/AmazonPHP/SellingPartner/Tests/Functional/TokensApiTest.php:11 Stack trace: #0 {main} thrown in /home/php8crons/public_html/amazon-sp-api/vendor/amazon-php/sp-api-sdk/tests/AmazonPHP/SellingPartner/Tests/Functional/TokensApiTest.php on line 11