Explanation
A certificate extension that is mandatory for the certificate to be used for the required purpose has not been found.
User response
Ensure that the certificate chain is correct and complies with the validation mode defined for the connection. Collect a System SSL trace containing the error and then contact your service representative if the error persists.
If performing
a PKCS #7 operation to encode a signer identifier, ensure that the
certificate has a subject key identifier extension.