SAP Knowledge Base Article - Preview

3444010 - OAuth2: "invalid_client" error when requesting access token from AS ABAP

Symptom

When trying to request an OAuth2 Access Token, the following error is returned by the server:

{"error":"invalid_client","error_description":"No OAuth 2.0 client authentication credentials included or used authentication method is unsupported. Supported authentication methods are specified in the ICF service configuration for the token endpoint in transaction SICF" }


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Environment

SAP Netweaver Application Server for ABAP

Product

SAP NetWeaver Application Server for ABAP all versions ; SAP S/4HANA Cloud Public Edition all versions ; SAP S/4HANA Cloud all versions ; SAP S/4HANA all versions

Keywords

oauth2, basic auth, client credentials, id, client id, client_id, secret, password, client_secret , KBA , BC-SEC-LGN-OA2 , OAuth 2.0 for ABAP , Problem

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