Fatal error: Uncaught Error: Interface "Illuminate\Contracts\Support\Renderable" not found in C:\xampp\htdocs\cms-propay\vendor\encore\laravel-admin\src\Widgets\Navbar.php:9 Stack trace: #0 {main} thrown in C:\xampp\htdocs\cms-propay\vendor\encore\laravel-admin\src\Widgets\Navbar.php on line 9