IKYC016I `action-being-performed` returned `nnnn` in sub-function: `error-code-description`

Explanation
PKI Services is processing
a request and has encountered an internal error. The action being
performed, the subfunction that returned the error, and the error
code encountered are displayed. A description of the error is also
displayed, if known.

System action
The request is not processed.

System programmer response
Report the error to the IBM® support center.