Fatal error: Uncaught Error: Class 'Psr\Log\AbstractLogger' not found in D:\xampp7\htdocs\www\nbkm\show_bp\vendor\symfony\http-kernel\Log\Logger.php:23 Stack trace: #0 {main} thrown in D:\xampp7\htdocs\www\nbkm\show_bp\vendor\symfony\http-kernel\Log\Logger.php on line 23