Fatal error: Uncaught Error: Interface "Symfony\Component\HttpKernel\CacheWarmer\WarmableInterface" not found in /home/custom/public_html/katiekarr/vendor/symfony/http-kernel/CacheWarmer/CacheWarmerInterface.php:19 Stack trace: #0 {main} thrown in /home/custom/public_html/katiekarr/vendor/symfony/http-kernel/CacheWarmer/CacheWarmerInterface.php on line 19