Fatal error: Uncaught Error: Class 'Psr\Log\AbstractLogger' not found in /var/www/alldocs/home/rprather/TIWebsite/simplesamlphp_idp/vendor/psr/log/Psr/Log/NullLogger.php:13 Stack trace: #0 {main} thrown in /var/www/alldocs/home/rprather/TIWebsite/simplesamlphp_idp/vendor/psr/log/Psr/Log/NullLogger.php on line 13