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    java.lang.NullPointerException
        at com.github.rinde.rinsim.core.model.road.GraphSpatialRegistry.getConnection(GraphSpatialRegistry.java:133)
        at com.github.rinde.rinsim.core.model.road.GraphRoadModelImpl.getConnection(GraphRoadModelImpl.java:478)
        at com.github.rinde.rinsim.ui.renderers.AGVRenderer$VehicleUI.update(AGVRenderer.java:294)
        at com.github.rinde.rinsim.ui.renderers.AGVRenderer.renderDynamic(AGVRenderer.java:98)
    18 frames hidden