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HTTP 403 / OData authorization

Not authorized to access OData service

An OData request returns HTTP 403 because the authenticated user is not authorized for the service or backend business operation.

Likely root causes

  1. Frontend/Gateway service authorization is missing.
  2. Backend authorization fails after the request reaches the business logic.
  3. Role changes are not yet in the user's authorization buffer/session.

What to inspect

  1. /IWFND/ERROR_LOG and backend error details.
  2. SU53 immediately after reproducing under the same user.
  3. STAUTHTRACE/ST01 when SU53 is insufficient.
  4. Service/catalog/role assignment for Fiori scenarios.

Resolution path

  1. Identify the exact failed authorization object rather than granting broad access.
  2. Update the user's role through security governance.
  3. Refresh user buffer/relogon where required.
  4. Retest the same request with least-privilege authorization.

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