Which compiler are you using for lazarus svn version?
I have fpc 3.2.0 revison 41917 (from today) and i try to compile i get this error:
fppkghelper.pas(524,20) Error: identifier idents no member "ConfigurationFilename"
(TpkgFPpkg.ConfigurationFilename is in fpc 3.2.0 not implemented)