3215228 - Error "Unable to connect to datasource. Click the connection details and user credentials, and then try again" while connecting to S/4HANA import connection by ODATA service in SAC

The below error appears while connecting to S/4HANA import connection by ODATA service:

"Unable to connect to datasource. Click the connection details and user credentials and then try again"

SAP Analytics Cloud (Enterprise).

1. Logon to SAC tenant.
2. Go to Connections -> + > Select a data source -> Acquire Data -> SAP S/4HANA.
3. In New SAP S/4HANA Connection dialog, fill the information. In Authentication type, select Basic Authentication.
4. Click Create.
   >> Observe the error:"Unable to connect to datasource. Click the connection details and user credentials and then try again".

SAML SSO authentication is enabled in S/4HANA, while in SAC, acquired database connection can only accept basic authentication without SAML SSO. 

Add "&saml2=disabled" behind the Data Service URL, as the URL example: http(s)://<S/4HANA host>:<port>/?sap-client=xxx&saml2=disabled.

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