ROS Electric Gazebo [closed]

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Hello everybody,

I just upgraded to ROS electric from diamondback and am trying to use Gazebo.

Everything worked fine with Diamondback, but now it doesn't!!!!!!!!! I don't get it. Every time I try to spawn my heightmap world, it tells me:

what(): OGRE EXCEPTION(2:InvalidParametersException): World geometry is not supported by the generic SceneManager. in SceneManager::setWorldGeometry at /tmp/buildd/ros-electric-visualization-common-1.6.2/debian/ros-electric-visualization-common/opt/ros/electric/stacks/visualization_common/ogre/build/ogre_src_v1-7-3/OgreMain/src/OgreSceneManager.cpp (line 1563)

Has anybody resolved this issue? It's driving me crazy...