Fatal error: Uncaught Error: Class 'Psr\Log\AbstractLogger' not found in /var/www/alldocs/home/rprather/webdev/cms_static/simplesamlphp_sp/vendor/symfony/debug/BufferingLogger.php:25 Stack trace: #0 {main} thrown in /var/www/alldocs/home/rprather/webdev/cms_static/simplesamlphp_sp/vendor/symfony/debug/BufferingLogger.php on line 25