VM538:1 Error: errCode: -404011 cloud function execution error | errMsg: cloud.callFunction:fail requestID 7f1b94bc-4a21-11ea-b276-52540054168a, cloud function service error code -504002, error message wx is not defined; at cloud.callFunction api; at

VM538:1 Error: errCode: -404011 cloud function execution error | errMsg: cloud.callFunction:fail requestID 7f1b94bc-4a21-11ea-b276-52540054168a, cloud function service error code -504002, error message wx is not defined; at cloud.callFunction api; 

    at new u (WAService.js:1)

    at d (WAService.js:1)

    at f (WAService.js:1)

    at Function.success (WAService.js:1)

    at WAService.js:1

    at C (WAService.js:1)

    at i.<anonymous> (WAService.js:1)

    at i.emit (WAService.js:1)

    at Rs (WAService.js:1)

    at WAService.js:1

console.error @ VM538:1

(anonymous) @ cloud.js? [sm]:88

Promise.catch (async)

batchDelete @ cloud.js? [sm]:83

r.safeCallback @ WAService.js:1

(anonymous) @ WAService.js:1

r @ WAService.js:1

(anonymous) @ WAService.js:1

(anonymous) @ WAService.js:1

n @ VM552 asdebug.js:1

(anonymous) @ VM552 asdebug.js:1

(anonymous) @ VM552 asdebug.js:1

_ws.onmessage @ VM552 asdebug.js:1