> ../../../..//stub/BMCSK.cc:432: parse error before `&' This message looks like "State" is not being recognized. > void _objref_BMC::Rotation(const State& arg_0) > { > ... > } Should this be void _objref_BMC::Rotation(const BMC::State& arg_0) instead of: void _objref_BMC::Rotation(const /*missing namespace*/State& arg_0) ?? Dietmar