Hi, On Fri, May 24, 2013 at 8:45 AM, Xia Xin <xiaxinx at gmail.com> wrote: >>>>> cppyy.load_reflection_info("libMyClassDict.so") I believe that you need to say "./libMyClassDict.so". Otherwise it's searching for the .so in the system's standard places, which do not include ".". A bientôt, Armin.