Fatal error: Uncaught Error: Class "Psr\Log\AbstractLogger" not found in C:\xampp\htdocs\swagger\vendor\zircote\swagger-php---\src\Loggers\DefaultLogger.php:13 Stack trace: #0 {main} thrown in C:\xampp\htdocs\swagger\vendor\zircote\swagger-php---\src\Loggers\DefaultLogger.php on line 13