Fatal error: Uncaught Error: Class "yii\debug\Panel" not found in /home/cooperativamaism/public_html/staging/vendor/craftcms/cms/src/debug/DeprecatedPanel.php:21 Stack trace: #0 {main} thrown in /home/cooperativamaism/public_html/staging/vendor/craftcms/cms/src/debug/DeprecatedPanel.php on line 21