Fatal error: Uncaught Error: Class "Psr\Log\AbstractLogger" not found in /home/rwebserver/public_html/quanta/vendor/paypal/rest-api-sdk-php/lib/PayPal/Log/PayPalLogger.php:9 Stack trace: #0 {main} thrown in /home/rwebserver/public_html/quanta/vendor/paypal/rest-api-sdk-php/lib/PayPal/Log/PayPalLogger.php on line 9