This message means that the tags indicated are not used in graphics. It is probably is just a cosmetic problem.
--Generating index: Module 2,31,07 Block Index Tagged but not exception-reported: Module 2,31,07 Block 1848 (FC 31) is tagged 7XS-614 in TAG_0108_TTG.DBF Tagged but not exception-reported: Module 2,31,07 Block 1848 (FC 31) is tagged 7XS-614 in TAG_0108_DBF.DBF
This error can be built directly into Hyperview. For more information, see the article Building error reports into the M14.