Fatal error: Uncaught Error: Interface 'League\CommonMark\Reference\ReferenceMapInterface' not found in E:\xampp\htdocs\webhost_v3\vendor\league\commonmark\src\Reference\ReferenceMap.php:22 Stack trace: #0 {main} thrown in E:\xampp\htdocs\webhost_v3\vendor\league\commonmark\src\Reference\ReferenceMap.php on line 22