Fatal error: Uncaught Error: Interface "think\contract\TemplateHandlerInterface" not found in C:\xampp\htdocs\RegnowSite\vendor\topthink\think-view\src\Think.php:21 Stack trace: #0 {main} thrown in C:\xampp\htdocs\RegnowSite\vendor\topthink\think-view\src\Think.php on line 21