Warning: require_once(/app/v1/vendor/yiisoft/yii/framework/yii.php): Failed to open stream: No such file or directory in /app/v1/index.php on line 20

Fatal error: Uncaught Error: Failed opening required '/app/v1/vendor/yiisoft/yii/framework/yii.php' (include_path='.:/usr/local/lib/php') in /app/v1/index.php:20 Stack trace: #0 {main} thrown in /app/v1/index.php on line 20