Incubator Eager loading not work

install Incubator Eager loading (https://github.com/phalcon/incubator/tree/master/Library/Phalcon/Mvc/Model)

try

$robotsAndParts = Robot::with('Parts');

it shows

The static method 'with' doesn't exist

who used help please

Hi there... we cant help u with that short description :/ so, first- see in Eager lloading did u inclode all needed files and check documentation. I didnt use it but if u continue to have that issue will check it. So- good luck there!