Exception in thread "JavaFX Application Thread" java.lang.NullPointerException: Cannot invoke "javafx.scene.layout.Pane.getBoundsInLocal()" because "this.ownerNode" is null
	at [email protected]/io.github.palexdev.materialfx.dialogs.MFXStageDialog.centerXInOwner(MFXStageDialog.java:300)
	at [email protected]/io.github.palexdev.materialfx.dialogs.MFXStageDialog.lambda$initialize$6(MFXStageDialog.java:187)
	at [email protected]/com.sun.javafx.event.CompositeEventHandler$NormalEventHandlerRecord.handleBubblingEvent(CompositeEventHandler.java:247)
	at [email protected]/com.sun.javafx.event.CompositeEventHandler.dispatchBubblingEvent(CompositeEventHandler.java:80)
	at [email protected]/com.sun.javafx.event.EventHandlerManager.dispatchBubblingEvent(EventHandlerManager.java:232)
	at [email protected]/com.sun.javafx.event.EventHandlerManager.dispatchBubblingEvent(EventHandlerManager.java:189)
	at [email protected]/com.sun.javafx.event.CompositeEventDispatcher.dispatchBubblingEvent(CompositeEventDispatcher.java:59)
	at [email protected]/com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:58)
	at [email protected]/com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
	at [email protected]/com.sun.javafx.event.EventUtil.fireEventImpl(EventUtil.java:74)
	at [email protected]/com.sun.javafx.event.EventUtil.fireEvent(EventUtil.java:49)
	at [email protected]/javafx.event.Event.fireEvent(Event.java:198)
	at [email protected]/javafx.stage.Window.fireEvent(Window.java:1391)
	at [email protected]/javafx.stage.Window$12.invalidated(Window.java:1111)
	at [email protected]/javafx.beans.property.BooleanPropertyBase.markInvalid(BooleanPropertyBase.java:110)
	at [email protected]/javafx.beans.property.BooleanPropertyBase.set(BooleanPropertyBase.java:145)
	at [email protected]/javafx.stage.Window.setShowing(Window.java:1239)
	at [email protected]/javafx.stage.Window.show(Window.java:1254)
	at [email protected]/javafx.stage.Stage.show(Stage.java:277)
	at [email protected]/io.github.palexdev.materialfx.dialogs.MFXStageDialog.showDialog(MFXStageDialog.java:238)
	at [email protected]/io.github.palexdev.materialfx.skins.MFXStepperToggleSkin.showErrorsDialog(MFXStepperToggleSkin.java:131)
	at [email protected]/io.github.palexdev.materialfx.skins.MFXStepperToggleSkin.lambda$setListeners$5(MFXStepperToggleSkin.java:109)
	at [email protected]/com.sun.javafx.event.CompositeEventHandler$NormalEventHandlerRecord.handleBubblingEvent(CompositeEventHandler.java:247)
	at [email protected]/com.sun.javafx.event.CompositeEventHandler.dispatchBubblingEvent(CompositeEventHandler.java:80)
	at [email protected]/com.sun.javafx.event.EventHandlerManager.dispatchBubblingEvent(EventHandlerManager.java:232)
	at [email protected]/com.sun.javafx.event.EventHandlerManager.dispatchBubblingEvent(EventHandlerManager.java:189)
	at [email protected]/com.sun.javafx.event.CompositeEventDispatcher.dispatchBubblingEvent(CompositeEventDispatcher.java:59)
	at [email protected]/com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:58)
	at [email protected]/com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
	at [email protected]/com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:56)
	at [email protected]/com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
	at [email protected]/com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:56)
	at [email protected]/com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
	at [email protected]/com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:56)
	at [email protected]/com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
	at [email protected]/com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:56)
	at [email protected]/com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
	at [email protected]/com.sun.javafx.event.EventUtil.fireEventImpl(EventUtil.java:74)
	at [email protected]/com.sun.javafx.event.EventUtil.fireEvent(EventUtil.java:54)
	at [email protected]/javafx.event.Event.fireEvent(Event.java:198)
	at [email protected]/javafx.scene.Scene$MouseHandler.process(Scene.java:3984)
	at [email protected]/javafx.scene.Scene.processMouseEvent(Scene.java:1890)
	at [email protected]/javafx.scene.Scene$ScenePeerListener.mouseEvent(Scene.java:2708)
	at [email protected]/com.sun.javafx.tk.quantum.GlassViewEventHandler$MouseEventNotification.run(GlassViewEventHandler.java:411)
	at [email protected]/com.sun.javafx.tk.quantum.GlassViewEventHandler$MouseEventNotification.run(GlassViewEventHandler.java:301)
	at java.base/java.security.AccessController.doPrivileged(AccessController.java:400)
	at [email protected]/com.sun.javafx.tk.quantum.GlassViewEventHandler.lambda$handleMouseEvent$2(GlassViewEventHandler.java:450)
	at [email protected]/com.sun.javafx.tk.quantum.QuantumToolkit.runWithoutRenderLock(QuantumToolkit.java:424)
	at [email protected]/com.sun.javafx.tk.quantum.GlassViewEventHandler.handleMouseEvent(GlassViewEventHandler.java:449)
	at [email protected]/com.sun.glass.ui.View.handleMouseEvent(View.java:551)
	at [email protected]/com.sun.glass.ui.View.notifyMouse(View.java:937)
	at [email protected]/com.sun.glass.ui.win.WinApplication._runLoop(Native Method)
	at [email protected]/com.sun.glass.ui.win.WinApplication.lambda$runLoop$3(WinApplication.java:185)
	at java.base/java.lang.Thread.run(Thread.java:1583)