How To Fix WSS027 - The system received encrypted data, which could not be decrypted.

SAP Error Message - Details

• Message type: E = Error

• Message class: WSS - Web Services Security

• Message number: 027

• Message text: The system received encrypted data, which could not be decrypted.

What causes this issue?

The system received encrypted data in the security header, which failed
to be decrypted.

System Response

Web service processing fails.

How to fix this error?

When receiving encrypted data, the system tries to decrypt. Decryption
may fail for the following reasons:
1) When X.509 certificates are used, the decryption key must be included
in an WS Security identity.
2) When issuer and serial number is used, the representation must be
according to RFC 2253.
3) An unsupported security token containing key material is sent.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.