6027-4002 [I] Before running this command, check both NSDs. You might have to delete one of the NSDs.
Explanation
Informational message.
User response
The system administrator should decide which NSD
to keep before running the command to fix it. If you want to keep
the NSD found on disk, then you do not run the command. Instead, delete
the other NSD found in cache (the NSD ID shown in the command).