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Script Error Display

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treesa21
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Posted: ‎2024-08-07 05:12 PM

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Posted: ‎2024-08-07 05:12 PM

Script Error Display

We have Schneider Automation Server with Andover Continumm B3810 series. In the webstation the web graphics is displaying an error message pop up "Script error in DocumentLoadEvent(Bind) ReferenceError:MutationEvent is not defined do you want to continue script." After we click "Ok" it still keeps popping up. Also the graphics is not loading value. For example, OAT reading XXX. 

 

Could you please assist in resolving this display error in the PC.

 

 

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sesa373560
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Posted: ‎2024-08-12 04:19 PM

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Posted: ‎2024-08-12 04:19 PM

Hi Team,

 

We had the same issue at a site here. The issue is something to do with Mutation Events inside of chrome and Microsoft Edge. We have found a solution in the browsers with "flags"

  • Open Chrome or Edge
  • Type in the search bar 'chrome://flags or Edge://flags'
  • Search flags for 'Mutation'
  • In the default drop down box select enable and relaunch the page

When the page reloads it should work again. 

 

Link below is where I found the fix

https://support.ixon.cloud/hc/en-us/articles/15187062105756-Script-error-MutationEvent-is-not-define...

 

See Answer In Context

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dsmith
Lt. Commander dsmith
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Posted: ‎2024-08-12 11:33 AM

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Posted: ‎2024-08-12 11:33 AM

We are getting the same issue.

dsmith_0-1723487622108.png

 

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sesa373560
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Posted: ‎2024-08-12 04:19 PM

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Posted: ‎2024-08-12 04:19 PM

Hi Team,

 

We had the same issue at a site here. The issue is something to do with Mutation Events inside of chrome and Microsoft Edge. We have found a solution in the browsers with "flags"

  • Open Chrome or Edge
  • Type in the search bar 'chrome://flags or Edge://flags'
  • Search flags for 'Mutation'
  • In the default drop down box select enable and relaunch the page

When the page reloads it should work again. 

 

Link below is where I found the fix

https://support.ixon.cloud/hc/en-us/articles/15187062105756-Script-error-MutationEvent-is-not-define...

 

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CraigEl
Administrator CraigEl Administrator
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Posted: ‎2024-08-12 05:32 PM

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Posted: ‎2024-08-12 05:32 PM

@treesa21 this is a known issue in EBO. "MutationEvent is not defined" Javascript errors are displayed after Chromium based browsers (Chrome or Microsoft Edge) are updated to version 127. 

As referenced in Mutation events will be removed from Chrome  |  Blog  |  Chrome for Developers, Google has deprecated these Mutation events and replaced them with a different function. EBO hotfixes are available for all currently supported EBO versions, your local EBO System Integrator or SE branch will have access to the hotfixes.

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Regis_Martin
Ensign Regis_Martin Ensign
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Posted: ‎2024-10-24 11:43 PM

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Posted: ‎2024-10-24 11:43 PM

Thank you very much for this really helpful solution. I met the same issue with the Web access to EBO.

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amiteshgh
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Posted: ‎2024-11-14 12:24 AM

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Posted: ‎2024-11-14 12:24 AM

Thanks for your valuable information

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cabria
cabria
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Posted: ‎2024-12-22 08:15 PM

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Posted: ‎2024-12-22 08:15 PM

Hi @CraigEl,

We have Enterprise Server 3.3.1.2301 installed on our building.

We have problems with our local EBO System Integrator and does not want to apply hotfix.

Can you provide us the link to the hotfix so I can apply it?

Thanks in advance.

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PierreRoberts
Lieutenant | EcoXpert Master PierreRoberts Lieutenant | EcoXpert Master
Lieutenant | EcoXpert Master

Posted: ‎2025-01-06 05:17 AM

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Posted: ‎2025-01-06 05:17 AM

The same issue on this site where we are running version 6.

PierreRoberts_0-1736169392465.jpeg

 

Resolved it with the helpful solution of above on Chrome and Edge, will run the Hotfix on the Server as well.

Kind regards,

  

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Sufyan_Alkhateeb
Ensign Sufyan_Alkhateeb Ensign
Ensign

Posted: ‎2025-01-21 11:47 AM

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Posted: ‎2025-01-21 11:47 AM

Hello,

Same issue I faced with latest EBO version 6.0.4.90

I know this issue was solved with hotfix, but it is very strange to pop-up again with latest release.

Only FireFox working fine, other browser (MS Edge & Chrome) shows same error "DocumentLoadEvent"

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edps
edps
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Posted: ‎2025-04-07 05:14 AM

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Posted: ‎2025-04-07 05:14 AM

With the latest browser updates the hotfix is ​​gone and it doesn't work anymore. Are there any other solutions?

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k0
Crewman k0
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Posted: ‎2025-04-07 11:17 PM

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Posted: ‎2025-04-07 11:17 PM

Hi

We’ve encountered a recurring issue with our EBO solution after the latest Chromium update 

When trying to load documents, we’re met with the following script error

Script error in DocumentLoadEvent (Bind_Value)
MutationEvent is not defined
Do you want to continue running this script?

It appears that MutationEvent is no longer supported in the latest Chromium version, which breaks part of the functionality in EBO.

We’re currently looking for a solution or workaround.
If anyone has insights, has resolved this, or knows how to adjust the system or browser settings to avoid the issue, we would greatly appreciate your input.

Possible directions we’re considering:

  • Switching temporarily to another browser

  • Adjusting EBO configurations or scripts to avoid deprecated features

  • Any browser-specific settings or flags that might help?

Thanks in advance for any help or suggestions!

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josh.shields
josh.shields
Cadet

Posted: ‎2025-04-08 08:01 AM

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Posted: ‎2025-04-08 08:01 AM

There is a Chrome/Edge Extension that will resolve this for the time being.

 

Mutation Events Polyfill - Chrome Web Store

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kimiti
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Posted: ‎2025-04-09 01:40 AM

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Posted: ‎2025-04-09 01:40 AM

I have just found out with the latest chrome version, the mutation events are not available. Is there any other work around to this?

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Ahtisham
Crewman Ahtisham
Crewman

Posted: ‎2025-04-09 03:46 AM

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Posted: ‎2025-04-09 03:46 AM

This solution is not working now.

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Ahtisham
Crewman Ahtisham
Crewman

Posted: ‎2025-04-09 03:50 AM

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Posted: ‎2025-04-09 03:50 AM

After latest updates in Chrome and Microsoft Edge, enabling of Mutation Events is no more working and we are getting script error. 

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Muriel
Lieutenant | EcoXpert Master Muriel Lieutenant | EcoXpert Master
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Posted: ‎2025-04-09 05:39 AM

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Posted: ‎2025-04-09 05:39 AM

This extension worked for me, but i aint sure enough about it's security to apply it in a production service honestly. Anyway, let's wait new updates from Schneider i think that's all we got. 

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leamthistle
leamthistle Cadet | EcoXpert Master
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Posted: ‎2025-04-09 09:31 AM . Last Modified: ‎2025-04-09 09:32 AM

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Posted: ‎2025-04-09 09:31 AM . Last Modified: ‎2025-04-09 09:32 AM

Could you please provide a new fix for this. Chrome and Edge have both updated and they have completely wiped out mutation flag enabling entirely. 

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Lemus
Lemus Cadet | EcoXpert Master
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Posted: ‎2025-04-09 12:43 PM

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Posted: ‎2025-04-09 12:43 PM

"I'm having the same issue — I can't find that option in Edge. Any solution?"

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k0
Crewman k0
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Posted: ‎2025-04-09 11:15 PM

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Posted: ‎2025-04-09 11:15 PM

I recently started using Firefox, but I’ve noticed it doesn’t always work as expected. There are often graphic glitches when displaying certain values. But the browser works fine in general, and it can be used until the bug is fixed so we can go back to using a Chromium browser.

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IO_ING
Crewman IO_ING
Crewman

Posted: ‎2025-04-10 12:12 PM

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Posted: ‎2025-04-10 12:12 PM

Unfortunately it is not the solution, Schneider must provide support for browser updates. There are clients who, due to security policies, only operate with EDGE or CHROME.

We are waiting for the Schneider solution.

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rvbtyx
rvbtyx
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Posted: ‎2025-04-10 01:45 PM

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Posted: ‎2025-04-10 01:45 PM

Today chromium based browsers are removing the possibility to re-enable mutationevent back.

Schneider was doing something to do not use this anymore? 

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brunoviniciusps
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Posted: ‎2025-04-12 08:23 AM

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Posted: ‎2025-04-12 08:23 AM

Using the palemoon browser it was possible to solve the problem

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TrentonHough
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Posted: ‎2025-04-14 05:55 AM

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Posted: ‎2025-04-14 05:55 AM

Any update on this? Can we please get a fix to this issue? 

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AlmasAbuov
Ensign AlmasAbuov
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Posted: ‎2025-04-14 11:29 PM

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Posted: ‎2025-04-14 11:29 PM

Let me know how the problem is resolved. I have this situation at many sites.

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Emil3
Emil3 Cadet | EcoXpert Master
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Posted: ‎2025-04-24 02:38 AM

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Posted: ‎2025-04-24 02:38 AM

Hi This link has just resolved my issue on site ,the site is running 3.2 but there are other hotfixes for different versions on there.

 

https://community.se.com/t5/EBO-Known-Issues-Solutions/quot-MutationEvent-is-not-defined-quot-Javasc...

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AlmasAbuov
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Posted: ‎2025-04-29 05:48 AM

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Posted: ‎2025-04-29 05:48 AM

Did you just download and install your version of the workstation? Do I need to delete my current version?

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YannRib
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Posted: ‎2025-05-12 11:55 PM

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Posted: ‎2025-05-12 11:55 PM

It Works 👍

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