Fatal error: Uncaught Error: Class 'Psr\Log\AbstractLogger' not found in /home/app/htdocs/ninja/vendor/rackspace/php-opencloud/lib/OpenCloud/Common/Log/Logger.php:29 Stack trace: #0 {main} thrown in /home/app/htdocs/ninja/vendor/rackspace/php-opencloud/lib/OpenCloud/Common/Log/Logger.php on line 29