> ## Documentation Index
> Fetch the complete documentation index at: https://docs.generalvalidation.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Discovery source changed

> Resolve discovery_source.changed in General Validation.

`discovery_source.changed` · discovery

The Discovery Source changed during an external catalog read. Refresh the catalog and retry against its current configuration.

If the problem continues, contact [support](mailto:support@generalvalidation.com) with the error code and request or Run ID. Keep source rows, exact values, credentials, and evidence files in your Azure environment.

[Troubleshooting](/troubleshooting-and-logs) · [All error codes](/errors)