> For the complete documentation index, see [llms.txt](https://docs.owkin.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.owkin.com/help-center/troubleshooting/operation-not-allowed-error.md).

# "Operation not allowed" error

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**What this article covers** This article explains the "operation not allowed" error in K-Pro, the most common reasons it appears, and what to do when it does.
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**Important note for support teams** Permissions were migrated from the legacy `permissions.yaml` to OpenFGA (`backend/permissions/local_seed.yaml`) in the April–May 2026 restructure. If the user-facing error wording has changed from "operation not allowed" to a different string, update this article's title and first sentence accordingly.
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If K-Pro returns a popup or message saying **"Operation not allowed"**, it means the action or query you attempted is outside the boundaries of what your account is authorised to do. This is a permissions or scope error, not a technical fault.

### Common causes

* **Querying data you do not have access to** — K-Pro enforces strict data segregation by organisation. If you attempt to access a dataset, indication, or modality not included in your subscription, the request will be blocked.
* **Requesting an action outside the platform's scope** — Certain operations (e.g. writing to external systems, accessing non-cancer literature in some configurations, or uploading files) may not be enabled for your account.
* **A prompt that previously worked now fails** — This can happen if the underlying data or your subscription scope has changed, or if the query is now routing to a different agent.

### What to do

1. Check whether the data or feature you are requesting is included in your subscription.
2. Try rephrasing your request to be more specific about the dataset and type of analysis.
3. If the same prompt worked before and now fails, contact your Owkin project manager — your subscription scope or data configuration may have changed.
4. If none of the above applies, submit a support request via the **Need Help** button with the exact prompt and the error message. The support team can check your permissions configuration.

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This error is not a platform crash. Your data and previous analyses are unaffected. You can continue using K-Pro for other queries while waiting for a resolution.
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