-1039 0xFFFFFBF1   NWDP OE BK UNRESOLVED EXTERNAL

Source:  NDPS, Broker NLM program

Explanation:  The Broker has received an unresolved external command.

Possible Cause:  Some of the NLM programs that the Broker needs to be able to execute are outdated.

Action:  Update the files by doing a complete installation of NDPS on the server.