Servers by jDrones

Error command “make run” for adding new bindings

Hi,
I want to add a new function to Lua and I followed the instruction in “How to Add New Bindings”.
I get an error according to the picture I attach below for copter/plane 4.0.4 (before 4.1) but for plane/copter after 4.1 build was ok according to the instruction.
Can you please guide me?

Servers by jDrones