Error message: 3>d:\projects\musescore\msvc.build_x64\mscore\mscore_autogen\include_relwithdebinfo\ewiega46ww\moc_musescore.cpp(66): error C3083: 'Ms': the symbol to the left of a '::' must be a type (compiling source file D:\Projects\MuseScore\msvc.build_x64\mscore\mscore_autogen\mocs_compilation.cpp) Source code line - moc_musescore.cpp void Ms::Ms::AboutBoxDialog::qt_static_metacall(QObject *_o, QMetaObject::Call _c, int _id, void **_a)