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Error building catkin

I’m having trouble building catkin on the mavlink_sitl_gazebo step.
The error is the following:

what should I do to solve it?

Hi @SusanaPineda,

Mavlink and PX4 are part of drones infrastructure, is that what do you want to install? If not, please check this related question.


This error appeared when I was installing jderobot by the first time with the instructions of the page (
I can resolve it checking out an old commit from mavlink_sitl_gazebo in github and making “catkin build again”.

This is the commit I’ve check out:

Hi @SusanaPineda,

Have you installed the generic infrastructure? Is it working? Which exercises are you aiming to solve?