Fatal error: Uncaught Error: Class "PayPal\Common\PayPalModel" not found in /home/mydemotec/public_html/windstream/vendor/paypal/rest-api-sdk-php/tests/PayPal/Test/Common/SimpleClass.php:6 Stack trace: #0 {main} thrown in /home/mydemotec/public_html/windstream/vendor/paypal/rest-api-sdk-php/tests/PayPal/Test/Common/SimpleClass.php on line 6