The material database from an older version should be taken over to the new ProStructures CONNECT Edition.
The material database is located under the following paths : 1) ProSteel MicroStation SS6 - C: \ Program Files (x86) \ Bentley \ ProStructures \ V8i_S6 \ MicroStation 081109 \ Localized \ GreatBritain \ Data 2) ProSteel MicroStation SS7 - C: \ ProgramData \ Bentley \ ProStructures \ V8i_S7 \ PowerProduct 08.11. 11.536 \ WorkSpace \ ProStructures \ Localized \ GreatBritain \ Data 3) ProStructures for AutoCAD - C: \ Program Files \ Bentley \ ProStructures \ V8i_S6 \ AutoCAD 2014 \ Localized \ GreatBritain \ Data In CONNECT Edition the material database file name is ProStructuresMaterial.mdb. From the above path (depending on the version) copy ProStructureMaterial.mdb and paste it into the current version location then rename the file name as ProStructuresMaterial.mdb.