VM8 asdebug.js:1 TypeError: Cannot read property 'elem' of undefined

    at M (VM3310 WAService.js:2)

    at VM3310 WAService.js:2

    at VM3310 WAService.js:2

    at i (VM8 asdebug.js:1)

    at c (VM8 asdebug.js:1)

    at VM8 asdebug.js:1

    at Set.forEach (<anonymous>)

    at f (VM8 asdebug.js:1)

    at e.exports.g (VM8 asdebug.js:1)

    at VM8 asdebug.js:1(env: macOS,mp,1.05.2106252; lib: 2.10.1)

如上报错是什么意思？