这是个什么错误啊？

VM941:1 Error: errCode: -404011 cloud function execution error | errMsg: cloud.callFunction:fail cloud function service error code -504002, error message console.err is not a function; at cloud.callFunction api; 

    at new t (WAService.js:22)

    at o (WAService.js:22)

    at Object.i [as returnAsFinalCloudSDKError] (WAService.js:22)

    at Function.success (WAService.js:21)

    at Object.success (WAService.js:4)

    at L.<anonymous> (WAService.js:7)

    at L.emit (WAService.js:8)

    at Function.<anonymous> (WAService.js:12)

    at WAService.js:6

    at e (appservice?t=1559230920372:3981)