Fatal error: Uncaught Error: Class "Psr\Log\AbstractLogger" not found in /home/ondemand/test.ondemandpro.net/php-docs-samples/kms/vendor/symfony/debug/BufferingLogger.php:21 Stack trace: #0 {main} thrown in /home/ondemand/test.ondemandpro.net/php-docs-samples/kms/vendor/symfony/debug/BufferingLogger.php on line 21