Error [parser.cc:581] unable to find uri[model://arena_middle]

hello,

I am trying to run roslaunch navibot_gazebo navibot_world.launch and I get the following error:

`started roslaunch server http://aaron-desktop:36929/

PARAMETERS

/rosdistro: kinetic
/rosversion: 1.12.13
/use_sim_time: True

NODES / gazebo (gazebo_ros/gzserver) gazebo_gui (gazebo_ros/gzclient)

auto-starting new master process[master]: started with pid [9870] ROS_MASTER_URI=http://localhost:11311

setting /run_id to 91d15f24-6380-11e8-b397-e0d55e0b24d8 process[rosout-1]: started with pid [9883] started core service [/rosout] process[gazebo-2]: started with pid [9891] process[gazebo_gui-3]: started with pid [9903] [ INFO] [1527626449.618619334]: Finished loading Gazebo ROS API Plugin. [ INFO] [1527626449.619090795]: waitForService: Service [/gazebo/set_physics_properties] has not been advertised, waiting... Error [parser.cc:581] Unable to find uri[model://arena_middle] [ INFO] [1527626470.564004268, 0.040000000]: waitForService: Service [/gazebo/set_physics_properties] is now available. [ INFO] [1527626470.589452009, 0.270000000]: Physics dynamic reconfigure ready. [gazebo_gui-3] process has finished cleanly log file: /home/aaron/.ros/log/91d15f24-6380-11e8-b397-e0d55e0b24d8/gazebo_gui-3*.log`

Please let me know how I can fix this.

Thank you, Aaron

phibenz / navibot_ws

Error [parser.cc:581] unable to find uri[model://arena_middle] #1