Fatal error: Uncaught Error: Class 'Swagger\Annotations\AbstractAnnotation' not found in /home/app/htdocs/ninja/vendor/zircote/swagger-php/src/Annotations/Header.php:14 Stack trace: #0 {main} thrown in /home/app/htdocs/ninja/vendor/zircote/swagger-php/src/Annotations/Header.php on line 14