Problems adding Gateway device to map

["Brook, Bryan S" <bryan.s.brook@LMCO.COM>]

        Im trying to add an object (specifically a Connector..Gateway) to an
IP Internet map.  I select IP attributes, type in the IP address of one of
the router interfaces, and it tells me:

        "Node with this IP address already exists in Interent level submap"

        However if I do a Locate..By Attribute..IP address=x.x.x.x,  it
tells me none found?

        We have multiple Netview servers that each monitor a portion of our
network.  The 1st addition was successful.  However the subsequent additions
fail on the other 2 Netview servers.

        Does anyone know whats going on here?

        TIA,
        Bryan