Fatal error: Uncaught Error: Interface 'yii\base\BootstrapInterface' not found in /home/wittyly/public_html/live/hr-witty/vendor/omnilight/yii2-scheduling/src/Bootstrap.php:12 Stack trace: #0 {main} thrown in /home/wittyly/public_html/live/hr-witty/vendor/omnilight/yii2-scheduling/src/Bootstrap.php on line 12