Crash when clicking "Preview" on Create World menu

[coegho]

org.reflections.ReflectionsException: could not get type for name org.terasology.was.generator.plant.forest.tree.BroomForestSpawnDefinition
at org.reflections.ReflectionUtils.forName(ReflectionUtils.java:378)
at org.reflections.ReflectionUtils.forNames(ReflectionUtils.java:387)
at org.reflections.Reflections.getTypesAnnotatedWith(Reflections.java:351)
at org.terasology.module.ModuleEnvironment.getTypesAnnotatedWith(ModuleEnvironment.java:279)
at org.terasology.world.generator.plugin.DefaultWorldGeneratorPluginLibrary.(DefaultWorldGeneratorPluginLibrary.java:39)
at org.terasology.world.generator.plugin.TempWorldGeneratorPluginLibrary.(TempWorldGeneratorPluginLibrary.java:40)
at org.terasology.rendering.nui.layers.mainMenu.PreviewWorldScreen.onOpened(PreviewWorldScreen.java:94)
at org.terasology.rendering.nui.internal.NUIManagerInternal.prepare(NUIManagerInternal.java:639)
at org.terasology.rendering.nui.internal.NUIManagerInternal.pushScreen(NUIManagerInternal.java:285)
at org.terasology.rendering.nui.internal.NUIManagerInternal.pushScreen(NUIManagerInternal.java:249)
at org.terasology.rendering.nui.internal.NUIManagerInternal.pushScreen(NUIManagerInternal.java:236)
at org.terasology.rendering.nui.internal.NUIManagerInternal.pushScreen(NUIManagerInternal.java:267)
at org.terasology.rendering.nui.layers.mainMenu.CreateGameScreen$10.onActivated(CreateGameScreen.java:297)
at org.terasology.rendering.nui.widgets.UIButton.activate(UIButton.java:138)
at org.terasology.rendering.nui.widgets.UIButton.access$100(UIButton.java:40)
at org.terasology.rendering.nui.widgets.UIButton$1.onMouseRelease(UIButton.java:81)
at org.terasology.rendering.nui.internal.CanvasImpl.processMouseRelease(CanvasImpl.java:226)
at org.terasology.rendering.nui.internal.NUIManagerInternal.mouseButtonEvent(NUIManagerInternal.java:558)
at org.terasology.rendering.nui.internal.NUIManagerInternalMethodAccess.invoke(Unknown Source)
at org.terasology.entitySystem.event.internal.EventSystemImpl$ByteCodeEventHandlerInfo.invoke(EventSystemImpl.java:497)
at org.terasology.entitySystem.event.internal.EventSystemImpl.sendConsumableEvent(EventSystemImpl.java:278)
at org.terasology.entitySystem.event.internal.EventSystemImpl.send(EventSystemImpl.java:257)
at org.terasology.entitySystem.entity.internal.BaseEntityRef.send(BaseEntityRef.java:166)
at org.terasology.input.InputSystem.sendMouseEvent(InputSystem.java:393)
at org.terasology.input.InputSystem.processMouseInput(InputSystem.java:248)
at org.terasology.input.InputSystem.update(InputSystem.java:204)
at org.terasology.engine.modes.StateMainMenu.handleInput(StateMainMenu.java:139)
at org.terasology.engine.subsystem.lwjgl.LwjglInput.postUpdate(LwjglInput.java:65)
at org.terasology.engine.TerasologyEngine.mainLoop(TerasologyEngine.java:442)
at org.terasology.engine.TerasologyEngine.run(TerasologyEngine.java:356)
at org.terasology.engine.Terasology.main(Terasology.java:117)

[msteiger]

Thanks for reporting this. It seems to be a duplicate of #1524.