I have an error about esp8286 wıfy lıbrary

Hi everyone,
I have a robotic project. I wanna communicate with my car over web server.
Im using arduino 1.6.8 i wanna add esp8286 wify library but program occupies library error. How can i solve it?
I need to your helps.

You could try posting your code and the exact error message it generates.
YMMV.