Compiling Custom AMCL in ROS Hydro [closed]

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Greetings,

I'm trying to add some functionalities I need to the AMCL package in ROS Hydro. So I download it from https://github.com/ros-planning/navig... . I have created a workspace especially for the amcl package and after I change what I need I compile it fine. But when I launch the amcl node it hangs right before creating the first NodeHandle. Even if I change nothing, when I run it from the custom workspace instead /opt/ros/hydro... it gets stuck at the same point. Any ideas on what may be wrong ?

Thank you, Andreas Lydakis