Fatal error: Uncaught Error: Interface "Spatie\Referer\Source" not found in /home/melihata/public_html/vendor/spatie/laravel-referer/src/Sources/UtmSource.php:8 Stack trace: #0 {main} thrown in /home/melihata/public_html/vendor/spatie/laravel-referer/src/Sources/UtmSource.php on line 8