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Copilot Studio - General
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SystemError response to business users in MD Teams

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Posted on by 81

I have copilot deployed in MS Teams and business user are getting error messages occasionally for some queries -

 

Sorry, something unexpected happened. We’re looking into it. Error code: SystemError. Conversation ID: a:1ACaCQ8G4e6t6vD64V9UklTVWJre_3B9wAazUdJg7DWHhsjhqOqtSPoduFBQ_CP29lR5Z3Dj34aSwiXpg6m-9VujyDacDytIc94wMhWYeFm56n-DjsjstNa22Q_pmvKoXYPsCwvirJ.

 

If they retry same question, copilot is giving response correctly. Since it is not reproducible, network trace is not available and MS support not able to help.

 

I am not able to handle this error gracefully, as onError topic is not triggered.

 

Is there a way / workaround to handle systemError exceptions gracefully? Any help /pointers will be greatly appreciated.

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  • Surlig1213 Profile Picture
    18 on at
    Re: SystemError response to business users in MD Teams

    @HenryJammes 

    In my environment,  I find the SystemError 242 times from past 90d logs via application insights.

  • Verified answer
    MattJimison Profile Picture
    577 Most Valuable Professional on at
    Re: SystemError response to business users in MD Teams

    Hi, @vkondreddygari . Unfortunately there is not; the hope is the Copilot Studio team will add in error handling over time that catches these errors and handles them more gracefully.

     

    (+ @HenryJammes for awareness since the above shows how to throw an error that doesn't get handled by OnError)

     


    Find this post helpful? Please mark it as the solution and/or provide kudos so that it will help others in the future.

    Cheers,
    Matt

  • vkondreddygari Profile Picture
    81 on at
    Re: SystemError response to business users in MD Teams

    Thank you for your response @MattJimison. I did try to replicate above scenario and end up in receiving SystemError exception.

     

    Is there any workaround that we try to mitigate these errors? It is giving bad user experience to business users 😞 

  • MattJimison Profile Picture
    577 Most Valuable Professional on at
    Re: SystemError response to business users in MD Teams

    Hi, @vkondreddygari .

     

    What node is the error occasionally happening on? i.e. is it a Generative Answers response, a call to Power Automate, a message node, etc..?

     

    I can confirm that there are some errors that Copilot Studio does not handle gracefully, and in those situations, the OnError topic doesn't get triggered.

     

    An easy way to prove this is trying to output an ASCII character, primarily in the 0-31 range (also referred to as unprintable characters). I'm not suggesting that is your issue here, but adding the below formula to a Message node will show you how Copilot Studio doesn't handle this error and doesn't trigger the OnError topic:

     

    Char(1)

     

    MattJimison_0-1712989457954.png

     

    Cheers,
    Matt

     


    Find this post helpful? Please mark it as the solution and/or provide kudos so that it will help others in the future.

    Cheers,
    Matt

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