Based on my investigation, this error may be caused by the limitation of browser: Most modern browsers restrict the JavaScript interactions not started by the user.
What is the browser you are using to open files in web?
Please follow below article to activate JavaScript in your browser or use IE to open files in web.
https://support.google.com/adsense/answer/12654?hl=en-GB
If the answer is helpful, please click "Accept Answer" and kindly upvote it. If you have extra questions about this answer, please click "Comment".
Note: Please follow the steps in our documentation to enable e-mail notifications if you want to receive the related email notification for this thread.