Fatal error: Uncaught Error: Class "Whoops\Handler\Handler" not found in /home/custom/public_html/katiekarr/vendor/filp/whoops/src/Whoops/Handler/PlainTextHandler.php:20 Stack trace: #0 {main} thrown in /home/custom/public_html/katiekarr/vendor/filp/whoops/src/Whoops/Handler/PlainTextHandler.php on line 20