> I'm new to lua. I've tried to install sailor using luarocks. > > [...] > > Lua : 5.3.2 That's the problem, Sailor is currently not available for Lua 5.3. That situation probably won't last, but in the meantime try with Lua 5.1 or 5.2. See discussion on GitHub: https://github.com/sailorproject/sailor/issues/75 -- Pierre Chapuis