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With the (lack of) information given, I can't say for sure. But, from the warning that you posted there's a timeout issue.Your model may not be publishing the joint states on the correct topic. From @gvdhoorn's comment on this answer, you can try making
sure that
joint_state_publisher
gathers theJointStates
published on/move_group/fake_controller_joint_states
and republishes them on/joint_states
.
with
<node name="joint_state_publisher" pkg="joint_state_publisher" type="joint_state_publisher">
<param name="/use_gui" value="false"/>
<rosparam param="/source_list">[/move_group/fake_controller_joint_states]</rosparam>
</node>
You can always use a Google search of ROS Answers and the error which will give many results.