How do you set up local co op with yuzu?

Im trying to play monster hunter Generations ultimate with my friend in local co op but idk how, and there isnt a single tutorial in the net.

please, help

In order for us to provide better support, we need to see the log generated by Citra. This guide will walk you through how you can obtain the log file: How to Upload the Log File.

Just set up a second controller in the control settings.