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3672866 - SAP Build Apps : 401 Unauthorized

Symptom

  • The usage of OAuth2SAMLBearerAssertion in SAP Build Apps results in a "401 Unauthorized" error.
  • Relevant error message: "Response details: { "status": 401, "headers": { "content-type": "application/json; charset=utf-8", "date": "Mon, 06 Oct 2025 14:05:55 GMT", "x-correlation-id": "823d7571-f358-4dd9-738b-92e06c60ca94", "x-powered-by": "Express", "x-vcap-request-id": "823d7571-f358-4dd9-738b-92e06c60ca94", "strict-transport-security": "max-age=31536000; includeSubDomains; preload;", "connection": "close" }, "data": { "error": { "code": 401 } }}"


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Environment

SAP Build Apps

Keywords

OAuth2SAMLBearerAssertion, 401 Unauthorized error, SAP Build Apps, destination configuration, SAML Assertion Provider, subaccount trust certificate, Token Service URL, trusted certificates, HTML5.ForwardAuthToken, sapSalesAndServiceCloud  , KBA , CA-LCA-ACP , SAP Build Apps , Problem

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