Fatal error: Uncaught Error: Interface 'League\CommonMark\Extension\ExtensionInterface' not found in C:\xampp\htdocs\admin\vendor\league\commonmark\src\Extension\ExternalLink\ExternalLinkExtension.php:18
Stack trace:
#0 {main}
thrown in C:\xampp\htdocs\admin\vendor\league\commonmark\src\Extension\ExternalLink\ExternalLinkExtension.php on line 18