Pre written code for simple traffic light won't verify or download

[StefanL38]

Follow this tutprial to provide the detail-informations that are needed to analyse your compiler-error

If you get a compiler-error provide all details for analysing the error

Hi newcomer, the Arduino-Forum community can be of great help. If the community is able to support you in a way that helps solving your problems depends on detailed information that you should provide. trying to be quick by posting a too short posting is just slowing down finding the solution. Because all that happends is that you are asked for the detailed information and have to provide it anyway. Only difference the answer and the solution comes later The most important thing is to pos…

Edit: The link that you provided guides me to this overview

This means the link does not work.
As a general advice you have to be more precise if you want to be successful in programming.
Even if it is just pre written code