ERROR: page.js:138 Uncaught TypeError: widgetDom.webkitCreateShadowRoot is not a function

Hi,
I am very new to this, so apologies for any misunderstandings here. For context, I am currently following the guide based here: https://kywch.github.io/jsPsych-in-Qualtrics/ to integrate my own jspsych experiment into a qualtrics text/graphic question. All is up and running, although I am thus far unable to send data to my webserver. In an attempt to narrow down the problem, I did notice that my browser console displays the following error:
page.js:138 Uncaught TypeError: widgetDom.webkitCreateShadowRoot is not a function
  at addWidget (page.js:138)
  at Object.init (page.js:168)
  at Object.init (page.js:222)
  at readerViewInit (page.js:269)
at MutationObserver. (page.js:347)
and page.js is found, for me, at the following link:
Perhaps this is not the source of my data saving issues - if anyone thinks it might be interfering let me know - but I thought I'd highlight it anyway. From this page the issue appears to be known: https://bugs.chromium.org/p/chromium/issues/detail?id=165641. if anyone could provide me with tips on how to fix this on my end, or if it needs to be fixed by qualtrics, please let me know.
Thanks! Max