Controller Spawner couldn't find the expected controller_manager ROS interface

[numieo]

This issues has been fixed https://github.com/PranshuTople/champ

tried in ubuntu 18.04 and 16.04

'roslaunch champ_config gazebo.launch'
gazebo stuck

log:
[rospy.client][INFO] 2022-04-08 11:40:41,787: init_node, name[/controller_spawner], pid[29927]
[xmlrpc][INFO] 2022-04-08 11:40:41,787: XML-RPC server binding to 0.0.0.0:0
[xmlrpc][INFO] 2022-04-08 11:40:41,787: Started XML-RPC server [http://alicas:33875/]
[rospy.init][INFO] 2022-04-08 11:40:41,787: ROS Slave URI: [http://alicas:33875/]
[rospy.impl.masterslave][INFO] 2022-04-08 11:40:41,787: _ready: http://alicas:33875/
[xmlrpc][INFO] 2022-04-08 11:40:41,788: xml rpc node: starting XML-RPC server
[rospy.registration][INFO] 2022-04-08 11:40:41,788: Registering with master node http://localhost:11311
[rospy.init][INFO] 2022-04-08 11:40:41,888: registered with master
[rospy.rosout][INFO] 2022-04-08 11:40:41,888: initializing /rosout core topic
[rospy.rosout][INFO] 2022-04-08 11:40:41,890: connected to core topic /rosout
[rospy.simtime][INFO] 2022-04-08 11:40:41,891: initializing /clock core topic
[rospy.simtime][INFO] 2022-04-08 11:40:41,892: connected to core topic /clock
[rosout][INFO] 2022-04-08 11:40:41,894: Controller Spawner: Waiting for service controller_manager/load_controller
[rospy.internal][INFO] 2022-04-08 11:40:41,944: topic[/clock] adding connection to [http://alicas:35151/], count 0
[rospy.internal][INFO] 2022-04-08 11:40:42,093: topic[/rosout] adding connection to [/rosout], count 0
[rosout][WARNING] 2022-04-08 11:41:12,099: Controller Spawner couldn't find the expected controller_manager ROS interface.
[rospy.core][INFO] 2022-04-08 11:41:12,103: signal_shutdown [atexit]
[rospy.internal][INFO] 2022-04-08 11:41:12,109: topic[/rosout] removing connection to /rosout
[rospy.internal][INFO] 2022-04-08 11:41:12,110: topic[/clock] removing connection to http://alicas:35151/
[rospy.impl.masterslave][INFO] 2022-04-08 11:41:12,111: atexit