Error in the validation of the application package - Copilot studio

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Posted on by Gabriel Mendizabal

When I publish and agents in Copilot studio, by Teams or By Copilot m365 , when I tried to add the agent says Error in the validation of the application package. This error started today, the last week was normal.

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Building Copilot Studio chatbots in Microsoft Teams

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Haque 1,350 on at

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Hi @Gabriel Mendizabal,

Did you try rebuiling the Teams app package? If you’re uploading to Teams App Studio, re‑export the agent package and re‑upload. Please make sure the manifest schema matches the latest Teams requirements.

Also, these are the possible reasons:

Agent configuration issues: A topic contains invalid variables, broken links, or missing required settings. A Power Automate flow connected to the agent has broken connections.

Manifest validation failure: The Teams app package generated during publishing has invalid metadata or outdated schema.

Service-side issues: Microsoft has acknowledged intermittent publishing failures (BadRequestException, ConnectorRequestFailure) in March 2026 affecting Teams distribution

Would be please surf this for furthre clue?

I am sure some clues I tried to give. If these clues help to resolve the issue brought you by here, please don't forget to check the box Does this answer your question? At the same time, I am pretty sure you have liked the response!

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KT-13030633-0 6 on at

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Hi @Haque, I'm also experiencing the same issue just recently. This never happened before. Already tried your recommendation and still getting the same error

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Gabriel Mendizabal 35 on at

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Hi @Haque Already checked all the posible reasons still the same. I will create a ticket for this problems.

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Haque 1,350 on at

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@Gabriel Mendizabal and @KT-13030633-0

Let's go create the ticket, seems weired!

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VS-01041942-0 2 on at

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Hi @Haque, I'm also experiencing the same issue in my company. Some users in my organization can´t install the PVA Bot when I send them the link. They get that error. That has never happened before, I don't know what to do.

I tryed your suggestions, still get the error.

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