Fatal error: Uncaught Error: Interface "Psr\Log\LoggerInterface" not found in /home/airtimer/public_html/vendor/amzn/amazon-pay-sdk-php/Psr/Log/AbstractLogger.php:12 Stack trace: #0 {main} thrown in /home/airtimer/public_html/vendor/amzn/amazon-pay-sdk-php/Psr/Log/AbstractLogger.php on line 12