-QA Testing-
If there is no old or new reactor on your ship, you can still use the "Reactor" Radial menu option (and crash).
```
java.lang.RuntimeException: No Tree: 0
at org.schema.game.client.view.gui.reactor.GUIReactorPanel.getSelectedTree(GUIReactorPanel.java:452)
at org.schema.game.client.view.gui.reactor.GUIReactorPanel$6.toString(GUIReactorPanel.java:303)
at org.schema.schine.graphicsengine.forms.gui.newgui.GUIHorizontalButton.draw(GUIHorizontalButton.java:77)
at org.schema.schine.graphicsengine.forms.gui.newgui.GUIHorizontalButtonTablePane.draw(GUIHorizontalButtonTablePane.java:67)
at org.schema.schine.graphicsengine.forms.gui.GUIAncor.draw(GUIAncor.java:38)
at org.schema.schine.graphicsengine.forms.gui.GUIAncor.draw(GUIAncor.java:38)
at org.schema.schine.graphicsengine.forms.gui.newgui.GUIInnerTextbox.draw(GUIInnerTextbox.java:55)
at org.schema.schine.graphicsengine.forms.gui.newgui.GUIContentPane.draw(GUIContentPane.java:199)
at org.schema.schine.graphicsengine.forms.gui.newgui.GUIMainWindow.draw(GUIMainWindow.java:117)
at org.schema.game.client.view.gui.reactor.GUIReactorPanel.draw(GUIReactorPanel.java:107)
at org.schema.game.client.view.gui.GuiDrawer.draw(GuiDrawer.java:210)
at org.schema.game.client.view.WorldDrawer.drawGUI(WorldDrawer.java:842)
at org.schema.game.client.view.MainGameGraphics.framebufferPass(MainGameGraphics.java:910)
at org.schema.game.client.view.MainGameGraphics.draw(MainGameGraphics.java:454)
at org.schema.schine.graphicsengine.core.GLFrame.draw(GLFrame.java:502)
at org.schema.schine.graphicsengine.core.GLFrame.render(GLFrame.java:546)
at org.schema.schine.graphicsengine.core.GLFrame.doFrameAndUpdate(GLFrame.java:693)
at org.schema.schine.graphicsengine.core.GraphicsContext.mainLoop(GraphicsContext.java:828)
at org.schema.schine.graphicsengine.core.GraphicsContext.startUp(GraphicsContext.java:725)
at org.schema.game.client.controller.GameMainMenuController.startGraphics(GameMainMenuController.java:1148)
at org.schema.game.common.Starter.startMainMenu(Starter.java:1457)
at org.schema.game.common.Starter.main(Starter.java:1001)Partially fixed.
```If you place down a new reactor block on a ship core, then remove it, you can still access the reactor menu. It doesn't crash you, but it does not make sense either at least not while the old system is still around.