Fatal error: Uncaught Error: Interface 'League\Config\ConfigurationAwareInterface' not found in D:\xampp\htdocs\psp\backend\vendor\league\commonmark\src\Extension\TableOfContents\TableOfContentsBuilder.php:27 Stack trace: #0 {main} thrown in D:\xampp\htdocs\psp\backend\vendor\league\commonmark\src\Extension\TableOfContents\TableOfContentsBuilder.php on line 27