ID4157: A Saml2SecurityToken cannot be created from the Saml2Assertion because it contains a SubjectConfirmationData which ...

ID4157: A Saml2SecurityToken cannot be created from the Saml2Assertion because it contains a SubjectConfirmationData which specifies a Recipient value. Enforcement of this value is not supported by default. To customize SubjectConfirmationData processing, extend Saml2SecurityTokenHandler and override ValidateConfirmationData.