VM3752:1 (in promise) MiniProgramError

errCode: -404011 cloud function execution error | errMsg: cloud.callFunction:fail requestID 71cf11ee-19c1-11eb-b2e0-525400549ebe, cloud function service error code -504002, error message ReferenceError: cloud is not defined

https://developers.weixin.qq.com/s/qnDWismz7llc