CMMVC8996E The maximum number of WWPNs for the host is already configured.
Explanation
You must remove at least one WWPN definition for the host that you have specified before you can resubmit the command.
User response
Determine whether the action is required.
If the action is required, review the current configuration to determine whether any current WWPN definitions for the host that you have specified are not required. Remove at least one WWPN definition that is not required for the host that you have specified and resubmit the command.