Solve: PHP Fatal error: Uncaught Error: Class RESPONSE. ▷ List of libs which containing the class RESPONSE

yii\base\Response

This class belongs to the vendor Redooc and the package Yii2-dev

This class belongs to the vendor Yiisoft and the package Yii2-dev

This class belongs to the vendor Chlalbuquerque and the package Yii2-kitdevelop

This class belongs to the vendor Sheng and the package Yiicms

This class belongs to the vendor Seffeng and the package Yii_admin

This class belongs to the vendor Seffeng and the package Yii_demo

This class belongs to the vendor Seffeng and the package Yii_user

This class belongs to the vendor Yetiforce and the package Yii2

This class belongs to the vendor Gw123 and the package Small-api

This class belongs to the vendor Lixiaocode and the package Yii2admin