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This is C++, not Python, so you need to make sure you link against all the required libraries.

find_package(
        catkin
        REQUIRED COMPONENTS
        roscpp
        rospy
        std_msgs
        genmsg
        actionlib_msgs
        sensor_msgs
        geometry_msgs
)

I don't see actionlib here in your COMPONENTS list.

Add that and try again.

This is C++, not Python, so you need to make sure you link against all the required libraries.

find_package(
        catkin
        REQUIRED COMPONENTS
        roscpp
        rospy
        std_msgs
        genmsg
        actionlib_msgs
        sensor_msgs
        geometry_msgs
)

I don't see actionlib here in your COMPONENTS list.

Add that and try again.

Note that this is documented on the wiki: wiki/actionlib - Catkin.