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HTTP 405 / OData

Method not allowed for OData request

SAP Gateway returns HTTP 405 when the client uses a method such as POST, PUT, PATCH or DELETE on a resource that does not support it.

Likely root causes

  1. Wrong HTTP method for the entity/resource.
  2. Create/update/delete is not implemented or not enabled for the entity set.
  3. Client calls a collection or entity URL with the wrong operation semantics.

What to inspect

  1. Request method and full URI.
  2. Service $metadata and entity-set capabilities.
  3. DPC_EXT/service implementation for the corresponding operation.
  4. /IWFND/ERROR_LOG for the exact request.

Resolution path

  1. Use the HTTP method supported by the service contract.
  2. Implement/activate the required operation only if the service design calls for it.
  3. Correct collection/entity addressing and keys.
  4. Retest in /IWFND/GW_CLIENT before changing the consuming app.

ERPClimb is an independent platform and is not affiliated with SAP SE.