Help!!!: error occurred when run demo_rh.py

[quan-th]

At DEMO step (img1), an error occurred. error message is "/.pyxbld/temp.linux-x86_64-2.7/pyrex/libs/box_utils/rbbox_overlaps.c:600:10: fatal error: rbbox_overlaps.hpp: No such file or directory":

I dont know what is the reason here?

Pls help me, im new either at python and linux.

This is the error image (img2):