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HTTP 506 Variant Also Negotiates

506 Variant Also Negotiates

The server has an internal configuration error involving transparent content negotiation for the chosen variant.

506 Variant Also Negotiatesgeneral
506 Variant Also Negotiates
  • The server or an intermediary encountered a processing, configuration, storage, or protocol-handling failure.
  • The origin service could not complete an apparently valid request.
  • A gateway, extension, or network access layer surfaced a server-side problem.
  1. Check origin server logs, upstream dependencies, and intermediary infrastructure for the failing request path.
  2. Review protocol, storage, or extension support required by the affected endpoint.
  3. Retest after confirming the server, gateway, or access-control layer is healthy and correctly configured.
IANA: HTTP Status Code Registry
506 Variant Also Negotiates: what it means and how to fix it | Error Atlas