Fatal error: Uncaught Error: Class 'yii\data\ArrayDataProvider' not found in /mnt/www/fawu_headquarters/vendor/yiisoft/yii2-debug/src/models/timeline/DataProvider.php:21 Stack trace: #0 {main} thrown in /mnt/www/fawu_headquarters/vendor/yiisoft/yii2-debug/src/models/timeline/DataProvider.php on line 21