ERROR: Unable to get property 'prototype' of undefined or null reference

Question

Hello,&nbsp;I am getting the following errors when trying to log onto our Account Right File (screenshot attached)&nbsp;ERROR 1Line: 18Char: 7Error: Unable to get property 'prototype' of undefined or null reference&nbsp;ERROR 2Line: 484Char: 4857Error: Expected identifier&nbsp;ERROR 3Line: 497Char: 5Error: Object doesnt support property or method 'addEventListener'&nbsp;Not sure how to rectify this and be able to log on to our file.&nbsp;Thank you for your help

dddddddddd · Answer

Sorry to hear that.&nbsp; I just did this on another colleague's computer that was having the same issue and it worked for her.&nbsp; Two things to check - also add www.myob.com to the Allowed to Use Javascript just for good measure, but also ensure you have added the whole URL string listed in your Javascript script error page - see below - ie (it will then show just as https://id.myob.com on the Javascript page in Chrome).&nbsp; And then close down Chrome.&nbsp; Also, in the first instance after adding this to Chrome settings, I kept clicking Yes and it allowed me to get to each page of the log in even though the fonts looked all weird!:&nbsp;https://id.myob.com/u/mfa-otp-challenge?state=hKFo2SBsNE1YcDV4YXFVZC1SdDRiU3RaamtJXzVITG42bDlHMKFusG1mYS1hdXRoZW50aWNhdGWjdGlk2SB1Rl9ZTFM2UEZZQk&nbsp;&nbsp;QzWjQtTXlia1FPXzF0bk9Sa2oyX6NjaWTZIDFpWjBjYm93bjRkc2lwUHdJbWlJZnlNWTltVkE3ZG1i

dddddddddd · Answer

Sorry that string got split then!&nbsp; Should be something like this :)&nbsp;https://id.myob.com/u/mfa-otp-challenge?state=hKFo2SBsNE1YcDV4YXFVZC1SdDRiU3RaamtJXzVITG42bDlHMKFusG1mYS1hdXRoZW50aWNhdGWjdGlk2SB1Rl9ZTFM2UEZZQkQzWjQtTXlia1FPXzF0bk9Sa2oyX6NjaWTZIDFpWjBjYm93bjRkc2lwUHdJbWlJZnlNWTltVkE3ZG1i&nbsp;&nbsp;

princess_r · Answer

Hi CRobinsonKPBP&nbsp;
&nbsp;
Thank you for your post. I'd like to extend you a warm welcome to the Community Forum. I hope you find it a valuable resource.
&nbsp;
This is a known error and we have some steps to help you with resolving these error:

Clear the browsing data by going into Control Panel and Selecting Internet Options;
 Then under Browsing History select delete &nbsp; &nbsp;&nbsp;

&nbsp;

&nbsp;
As this involve deleting data from your computer we recommend to speak with your IT in relation to impacts and ensuring this task is completed for your environment.
&nbsp;
Please feel free to post again I'm happy to assist.
&nbsp;
If my response has answered your enquiry please click "Accept as Solution" to assist other users find this information.
&nbsp;
Cheers,
Princess
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abailey · Answer

Hello,&nbsp;I am having this same issue. I have followed all of these steps including manually deleting the files through settings. Plus uninstalled and reinstalled.&nbsp;What else can I do to fix this?

dddddddddd · Answer

We are the same here too - two different users.&nbsp; Clearing cache and broswer history does not work.

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ERROR: Unable to get property 'prototype' of undefined or null reference

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