@rwst - do you have MacPorts installed on your system? See possibly related bug #400165 ('The problem is Inkscape trying to read incompatible fontcaches from Macports') which has a fix released (latest 0.47-pre1-2 on sf.net).
@rwst - do you have MacPorts installed on your system? See possibly related bug #400165 ('The problem is Inkscape trying to read incompatible fontcaches from Macports') which has a fix released (latest 0.47-pre1-2 on sf.net).