UR5 MoveIt Execute Fails on Real Robot

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Hello,

I'm running ROS Melodic on Ubuntu 18.04 with a 5.4.143-rt64 kernel. I wanted to use ROS to connect my computer with a real UR5 robot with CB3 controller. I followed this tutorial to install the driver, and then this one to try to use the driver. I wanted to control the real robot with MoveIt! I did all the steps in the second tutorial, and when I get to the rviz gui, I plan the path but can't execute it. That is, I cannot execute it on the real robot; it won't move. The robot is connected to the UR5 controller and after I start the External Control program on the UR5 i get this info:

[ INFO] [1634038019.712352877]: Robot connected to reverse interface. Ready to receive control commands.

This is the output on the terminal from which I launched roslaunch ur5_moveit_config ur5_moveit_planning_execution.launch (I tried planning and executing path a couple of times):

[ INFO] [1634038162.327979298]: Planning request received for MoveGroup action. Forwarding to planning pipeline.
[ INFO] [1634038162.328769093]: Planner configuration 'manipulator' will use planner 'geometric::RRTConnect'. Additional configuration parameters will be set when the planner is constructed.
[ INFO] [1634038162.329233621]: RRTConnect: Starting planning with 1 states already in datastructure
[ INFO] [1634038162.329262222]: RRTConnect: Starting planning with 1 states already in datastructure
[ INFO] [1634038162.329293093]: RRTConnect: Starting planning with 1 states already in datastructure
[ INFO] [1634038162.329324419]: RRTConnect: Starting planning with 1 states already in datastructure
[ INFO] [1634038162.340358627]: RRTConnect: Created 6 states (4 start + 2 goal)
[ INFO] [1634038162.340834941]: RRTConnect: Created 7 states (3 start + 4 goal)
[ INFO] [1634038162.342155666]: RRTConnect: Created 5 states (2 start + 3 goal)
[ INFO] [1634038162.342183359]: RRTConnect: Created 12 states (5 start + 7 goal)
[ INFO] [1634038162.342245492]: ParallelPlan::solve(): Solution found by one or more threads in 0.013184 seconds
[ INFO] [1634038162.342397387]: RRTConnect: Starting planning with 1 states already in datastructure
[ INFO] [1634038162.342427398]: RRTConnect: Starting planning with 1 states already in datastructure
[ INFO] [1634038162.342468110]: RRTConnect: Starting planning with 1 states already in datastructure
[ INFO] [1634038162.342509692]: RRTConnect: Starting planning with 1 states already in datastructure
[ INFO] [1634038162.343200811]: RRTConnect: Created 5 states (2 start + 3 goal)
[ INFO] [1634038162.343238479]: RRTConnect: Created 5 states (2 start + 3 goal)
[ INFO] [1634038162.343707175]: RRTConnect: Created 6 states (2 start + 4 goal)
[ INFO] [1634038162.344029835]: RRTConnect: Created 6 states (3 start + 3 goal)
[ INFO] [1634038162.344097804]: ParallelPlan::solve(): Solution found by one or more threads in 0.001736 seconds
[ INFO] [1634038162.344201981]: RRTConnect: Starting planning with 1 states already in datastructure
[ INFO] [1634038162.344223002]: RRTConnect: Starting planning with 1 states already in datastructure
[ INFO] [1634038162.345305828]: RRTConnect: Created 5 states (3 start + 2 goal)
[ INFO] [1634038162.346399065]: RRTConnect: Created 8 states (3 start + 5 goal)
[ INFO] [1634038162.346571596]: ParallelPlan::solve(): Solution found by one or more threads in 0.002399 seconds
[ INFO] [1634038162.352383640]: SimpleSetup: Path simplification took 0.005699 seconds and changed from 4 to 2 states
[ INFO] [1634038169.102762801]: Execution request received

Finally, this is ... (more)