WAService.js:9 Uncaught TypeError: Cannot read property ‘createTextNode’ of undefined

    at module.exports (_microtask.js:1)

    at es6.promise.js:1

    at require (WAService.js:9)

    at WAService.js:9

    at promise.js:1

    at require (WAService.js:9)

    at WAService.js:9

    at promise.js:1

    at require (WAService.js:9)

    at WAService.js:9