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

# Reporter data-source support and deletion contract

> Reporter documentation now specifies supported data-source engines and the guard that prevents deleting a source referenced by a live Template.

<Badge stroke icon="calendar-days" iconType="regular">August 13, 2026</Badge> <Badge stroke icon="file-code" iconType="regular">Documentation correction</Badge> <Badge color="yellow" size="lg" stroke icon="eye" iconType="regular">Review recommended</Badge>

## Affects

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Teams that configure Reporter Data Sources or retire a database connection used by Templates.

## What changed

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Reporter supports PostgreSQL and MongoDB Data Sources. PostgreSQL connections can specify schemas; MongoDB connections cannot.

Reporter also refuses to delete a Data Source while a live Template references it. Update or delete those Templates before removing the connection.

These corrections align the documentation with the implemented contract. They do not announce a runtime release.

## Impact

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**Classification: Review recommended.** Check Data Source configuration and retirement procedures against the supported engines and the live-Template guard.

## What you need to do

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<Steps>
  <Step>Confirm that every configured external Data Source uses PostgreSQL or MongoDB.</Step>
  <Step>Use schema selection only for PostgreSQL connections.</Step>
  <Step>Before retiring a connection, identify and update or delete each live Template that references it.</Step>
</Steps>

## Resources

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* [Manage Data Sources](/en/reporter/console/managing-data-sources)
* [Delete a Data Source](/en/reporter/console/deleting-a-data-source)