This message means that a station tag (eg. tagname@PV) has been found in a second database and has a different block number there. This usually suggests that inappropriate databases have been built together.
--Post Processing drawing 4010873A.CAD Duplicate station tag 348HS0138@FB for 348HS0138
This error can be built directly into Hyperview. For more information, see the article Building error reports into the M14.