correction:
sudo ln -s /usr/lib/libobrender.so.0 /usr/lib/libobrender.so.1
sudo ln -s /usr/lib/liobparser.so.0 /usr/lib/libobparser.so.1
correction:
sudo ln -s /usr/lib/ libobrender. so.0 /usr/lib/ libobrender. so.1
sudo ln -s /usr/lib/ liobparser. so.0 /usr/lib/ libobparser. so.1