Fatal error: Uncaught Error: Class "kartik\base\PluginAssetBundle" not found in /var/www/html/prod/vendor/kartik-v/yii2-popover-x/src/PopoverXAsset.php:20 Stack trace: #0 {main} thrown in /var/www/html/prod/vendor/kartik-v/yii2-popover-x/src/PopoverXAsset.php on line 20