Parse-SDK-JS: Uncaught TypeError: Cannot read property 'iterator' of undefined

parse.weapp.js 2.7.1 (parse.weapp.min.js)

Such a problem has arisen.

unavailable

I don’t know if it’s just me.

Uncaught TypeError: Cannot read property 'iterator' of undefined
    at module.exports (parse.weapp.js:22990)
    at Object.256.../internals/has (parse.weapp.js:22082)
    at o (parse.weapp.js:7)
    at parse.weapp.js:7
    at Object.219.../internals/create-property-descriptor (parse.weapp.js:21330)
    at o (parse.weapp.js:7)
    at parse.weapp.js:7
    at Object.222.../internals/create-iterator-constructor (parse.weapp.js:21371)
    at o (parse.weapp.js:7)
    at parse.weapp.js:7