Fatal error: Uncaught Error: Class "Psr\Log\AbstractLogger" not found in D:\Application\www\E-Tracking\vendor\psr\log\Psr\Log\NullLogger.php:13 Stack trace: #0 {main} thrown in D:\Application\www\E-Tracking\vendor\psr\log\Psr\Log\NullLogger.php on line 13