GUI fails to open on Wayland

[legotaylor]

[19:16:06] [INFO] Initialized Config
[19:16:06] [INFO] Initialized AuthConfig
[19:16:06] [INFO] Initializing GUI...
[19:16:06] [INFO] Launching Setup GUI...
Exception in thread "AWT-EventQueue-0" java.awt.HeadlessException: 
No X11 DISPLAY variable was set,
or no headful library support was found,
but this program performed an operation which requires it.
	at java.desktop/java.awt.GraphicsEnvironment.checkHeadless(GraphicsEnvironment.java:158)
	at java.desktop/java.awt.Window.<init>(Window.java:518)
	at java.desktop/java.awt.Frame.<init>(Frame.java:428)
	at java.desktop/javax.swing.JFrame.<init>(JFrame.java:224)
	at dev.dannytaylor.streamtimer.render.SetupGUI.create(SetupGUI.java:35)
	at java.desktop/java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:323)
	at java.desktop/java.awt.EventQueue.dispatchEventImpl(EventQueue.java:723)
	at java.desktop/java.awt.EventQueue.dispatchEvent(EventQueue.java:702)
	at java.desktop/java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:203)
	at java.desktop/java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:124)
	at java.desktop/java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:113)
	at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:109)
	at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
	at java.desktop/java.awt.EventDispatchThread.run(EventDispatchThread.java:90)