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Power Platform Community / Forums / Copilot Studio / Empty Error Messages i...
Copilot Studio
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Empty Error Messages in Test Pane

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Posted on by 17
I am working on a simple copilot agent for my org to help new employees get quick answers to questions based on our specific work instructions. Starting late last week I began having issues with the agent generating fully correct responses that look great, but then it will erase them, go to fallback topic and claim it is not sure of intent. Along with this behavior, the error message box "only visible to you" pops up, however there is no message in the box. The MS docs for error codes say system errors don't produce codes, so I suspect that is what it is, but I'm unsure of how to deal with them. Has anyone else experienced this?
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  • Michael E. Gernaey Profile Picture
    53,047 Super User 2025 Season 2 on at
     
    This is indeed weird as I would have expected you to get this. Can you reproduce this in the Copilot Studio as well? At least then we could see the activities and truly I am hoping you see the proper message (in the link), so we can help you out.
     
    I am noticing more and more issues with Generative Answers, so I will ask this., In your topic are you using Generative Nodes? And if so can you share that and how its configured (knowledge source wise please)
     
     

    If these suggestions help resolve your issue, Please consider Marking the answer as such and also maybe a like.

    Thank you!
    Sincerely, Michael Gernaey
  • JB-12081733-0 Profile Picture
    17 on at
     
    Thanks for the response. I am already working in the web app version of copilot studio. I've looked through the activity logs at the conversations and the debug box does not show in the conversation transcript at all. Also it honestly seems like it has resolved itself with yesterday despite me not making any major changes. I'll answer everything to the best that I can so others can hopefully find it helpful. 
     
    Yes I am using generative answer nodes, but this has also occurred when no topic has been created and the agent is responding using generative orchestration. The structure of the topics I am using is very simple; I only really created them to utilize slot filling for some things.
    Agent chooses trigger -> Generative Node. It has an input for the specific intent of the query and an output for the response. 
     
    Due to my org going through a transition of how we are storing our work instructions and other data, all knowledge sources are currently just PDFs that have been directly uploaded to the agent. I had been experimenting with only allowing specific knowledge sources but this did not seem to have an effect. I tried setting moderation level to the lowest setting as well, but this again did not have an effect. The only other thing I can think of was some very minor adjustments to knowledge source descriptions, but since the I can see the agent in the test pane generating a perfectly accurate response prior to it filtering the message and claiming unknown intent I feel like something else is happening.
     
    I wish I had a better explanation but part of me just thinks that the model was acting up. The problems started propping up right when MS released GPT 5, depreciated the older versions and then subsequently walked back the decision after the backlash. With how confusing MS docs can be at times though I'm not even sure I understand that situation correctly, or if Copilot Studio was even affected by the situation at all.
     
    Thanks for your time,
    Jason
  • Michael E. Gernaey Profile Picture
    53,047 Super User 2025 Season 2 on at
     
    Yes I agree. While I did not have this specifically happen, I did have it with Generative Nodes more respectively.
     
    I also started having issues using Prompts (with older versions) as if I didn't have permission, so it would give errors, no runs, bad answers you name it.
     
    While it started to clear up some.. I am still personally facing issues since 5.0 came out and it stinks when you are Training people for them to happen as its looks bad.
     
    I do hope yours went away.

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