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java.lang.NullPointerException: null at org.terasology.rendering.nui.layers.mainMenu.SelectModulesScreen.setSelectedVersions(SelectModulesScreen.java:289)[classes/:na] at org.terasology.rendering.nui.layers.mainMenu.SelectModulesScreen.initialise(SelectModulesScreen.java:84)[classes/:na] at org.terasology.rendering.nui.CoreScreenLayer.onOpened(CoreScreenLayer.java:72)[classes/:na] at org.terasology.rendering.nui.internal.NUIManagerInternal.prepare(NUIManagerInternal.java:506)[classes/:na] at org.terasology.rendering.nui.internal.NUIManagerInternal.pushScreen(NUIManagerInternal.java:238)[classes/:na] at org.terasology.rendering.nui.internal.NUIManagerInternal.pushScreen(NUIManagerInternal.java:202)[classes/:na] at org.terasology.rendering.nui.internal.NUIManagerInternal.pushScreen(NUIManagerInternal.java:191)[classes/:na] at org.terasology.rendering.nui.layers.mainMenu.CreateGameScreen$9.onActivated(CreateGameScreen.java:217)[classes/:na] at org.terasology.rendering.nui.widgets.UIButton.activate(UIButton.java:138)[classes/:na] at org.terasology.rendering.nui.widgets.UIButton.access$100(UIButton.java:40)[classes/:na] at org.terasology.rendering.nui.widgets.UIButton$1.onMouseRelease(UIButton.java:81)[classes/:na] at org.terasology.rendering.nui.internal.CanvasImpl.processMouseRelease(CanvasImpl.java:226)[classes/:na] at org.terasology.rendering.nui.internal.NUIManagerInternal.mouseButtonEvent(NUIManagerInternal.java:425)[classes/:na] at org.terasology.rendering.nui.internal.NUIManagerInternalMethodAccess.invoke(Unknown Source)[na:na] at org.terasology.entitySystem.event.internal.EventSystemImpl$ByteCodeEventHandlerInfo.invoke(EventSystemImpl.java:497)[classes/:na] at org.terasology.entitySystem.event.internal.EventSystemImpl.sendConsumableEvent(EventSystemImpl.java:278)[classes/:na] at org.terasology.entitySystem.event.internal.EventSystemImpl.send(EventSystemImpl.java:257)[classes/:na] at org.terasology.entitySystem.entity.internal.BaseEntityRef.send(BaseEntityRef.java:166)[classes/:na] at org.terasology.input.InputSystem.sendMouseEvent(InputSystem.java:392)[classes/:na] at org.terasology.input.InputSystem.processMouseInput(InputSystem.java:247)[classes/:na] at org.terasology.input.InputSystem.update(InputSystem.java:204)[classes/:na] at org.terasology.engine.modes.StateMainMenu.handleInput(StateMainMenu.java:134)[classes/:na] at org.terasology.engine.subsystem.lwjgl.LwjglInput.postUpdate(LwjglInput.java:65)[classes/:na] at org.terasology.engine.TerasologyEngine.mainLoop(TerasologyEngine.java:445)[classes/:na] at org.terasology.engine.TerasologyEngine.run(TerasologyEngine.java:246)[classes/:na] at org.terasology.engine.Terasology.main(Terasology.java:90)[classes/:na] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)[na:1.7.0] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)[na:1.7.0] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)[na:1.7.0] at java.lang.reflect.Method.invoke(Method.java:601)[na:1.7.0] at com.intellij.rt.execution.application.AppMain.main(AppMain.java:120)[idea_rt.jar:na]