Copilot Studio

Copilot Studio agent flow disappeared from designer and version history is empty

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Posted on by AT-03062142-0

Hi all,

I’m working in Copilot Studio with an agent flow that was previously saved/published and actively used by a topic.

The flow had the following structure:

When an agent calls the flow

Several variable initialization steps

A Do until loop

A connector/action call to retrieve an async result

Variable updates inside the loop

Respond to the agent

While editing/testing the flow, the designer suddenly reset to an empty canvas showing only “Add a trigger”. I did not intentionally delete the flow or its trigger/actions.

What makes this more concerning is that when I open Version history, the panel is completely empty. I expected to see at least the previously saved or published version.

I have not intentionally saved or published the empty version after noticing the issue.

Has anyone seen this before? Is there any way to restore the previous saved/published version of an agent flow, or recover it from the backend / Power Automate side?

Environment/context:

Product: Copilot Studio
Flow type: Agent flow
Trigger: “When an agent calls the flow”
Issue: Designer shows empty canvas / Add trigger
Version history: Empty
Flow was previously used successfully by a topi

Any guidance on recovery steps would be appreciated.

Thanks!

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Calling actions from Copilot Studio

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Nivedipa-MSFT Microsoft Employee on at

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,Hello AT-03062142-0
Other people have run into this too. The flow definition is probably still in Dataverse; the Copilot Studio designer just cannot display it. If Version history is empty, it usually means the UI cannot read the version stream, not that the data is missing.

Step 1 — stop. Do not save, publish, or edit the blank canvas. Every save risks overwriting the real definition. Close the tab.

Recovery, in order:

Open the flow from make.powerautomate.com in the same environment (not Copilot Studio). It often renders correctly there. Check Version history, restore the last good version, and re-publish.

make.powerapps.com → Solutions → your solution → the flow. Check Status and Run history. Successful runs from before the incident mean the definition is still live in the backend.

Export the solution as unmanaged and inspect Workflows/<flow-name>.json in the zip. If the trigger + actions are there, the data is intact and the problem is on the designer side. Re-import into a clean solution and open it from there.

Solution layers — open the flow in the solution → See solution layers. If an empty unmanaged layer sits on top of a managed/published one, delete the unmanaged layer to fall back.

Audit + recycle — check Power Apps "Recently deleted"; have an admin search Purview audit for WorkflowUpdated/WorkflowDeleted events to find who and when.

Dataverse point-in-time restore (Production: ~7 days retention). An admin can restore the environment — or better, restore into a copy and export the flow from there.

If you found the information above helpful, I would appreciate it if you could share your feedback.
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CU02042353-0 2 on at

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Actually the suggested solution does not work as version history shows complete empty

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