Fatal error: Uncaught Error: Interface 'League\CommonMark\Extension\ConfigurableExtensionInterface' not found in C:\xampp\htdocs\finance\vendor\league\commonmark\src\Extension\TableOfContents\TableOfContentsExtension.php:26 Stack trace: #0 {main} thrown in C:\xampp\htdocs\finance\vendor\league\commonmark\src\Extension\TableOfContents\TableOfContentsExtension.php on line 26