Exception in thread "Timer-49" java.lang.NullPointerException
	at riddles.PanniertRiddle$Game.run(PanniertRiddle.java:437)
	at java.base/java.util.TimerThread.mainLoop(Timer.java:556)
	at java.base/java.util.TimerThread.run(Timer.java:506)
javax.sound.sampled.LineUnavailableException: line with format PCM_SIGNED 44100.0 Hz, 16 bit, stereo, 4 bytes/frame, little-endian not supported.
	at java.desktop/com.sun.media.sound.DirectAudioDevice$DirectDL.implOpen(DirectAudioDevice.java:503)
	at java.desktop/com.sun.media.sound.DirectAudioDevice$DirectClip.implOpen(DirectAudioDevice.java:1292)
	at java.desktop/com.sun.media.sound.AbstractDataLine.open(AbstractDataLine.java:119)
	at java.desktop/com.sun.media.sound.DirectAudioDevice$DirectClip.open(DirectAudioDevice.java:1074)
	at java.desktop/com.sun.media.sound.DirectAudioDevice$DirectClip.open(DirectAudioDevice.java:1164)
	at riddles.PanniertRiddle.initGame(PanniertRiddle.java:241)
	at riddles.PanniertRiddle$1.mousePressed(PanniertRiddle.java:119)
	at java.desktop/java.awt.AWTEventMulticaster.mousePressed(AWTEventMulticaster.java:288)
	at java.desktop/java.awt.Component.processMouseEvent(Component.java:6575)
	at java.desktop/javax.swing.JComponent.processMouseEvent(JComponent.java:3343)
	at java.desktop/java.awt.Component.processEvent(Component.java:6343)
	at java.desktop/java.awt.Container.processEvent(Container.java:2259)
	at java.desktop/java.awt.Component.dispatchEventImpl(Component.java:4961)
	at java.desktop/java.awt.Container.dispatchEventImpl(Container.java:2317)
	at java.desktop/java.awt.Component.dispatchEvent(Component.java:4793)
	at java.desktop/java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4904)
	at java.desktop/java.awt.LightweightDispatcher.processMouseEvent(Container.java:4536)
	at java.desktop/java.awt.LightweightDispatcher.dispatchEvent(Container.java:4480)
	at java.desktop/java.awt.Container.dispatchEventImpl(Container.java:2303)
	at java.desktop/java.awt.Window.dispatchEventImpl(Window.java:2758)
	at java.desktop/java.awt.Component.dispatchEvent(Component.java:4793)
	at java.desktop/java.awt.EventQueue.dispatchEventImpl(EventQueue.java:766)
	at java.desktop/java.awt.EventQueue.access$500(EventQueue.java:97)
	at java.desktop/java.awt.EventQueue$3.run(EventQueue.java:717)
	at java.desktop/java.awt.EventQueue$3.run(EventQueue.java:711)
	at java.base/java.security.AccessController.doPrivileged(Native Method)
	at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:89)
	at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:99)
	at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:739)
	at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:737)
	at java.base/java.security.AccessController.doPrivileged(Native Method)
	at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:89)
	at java.desktop/java.awt.EventQueue.dispatchEvent(EventQueue.java:736)
	at java.desktop/java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:199)
	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)
Exception in thread "Timer-50" java.lang.NullPointerException
	at riddles.PanniertRiddle$Game.run(PanniertRiddle.java:437)
	at java.base/java.util.TimerThread.mainLoop(Timer.java:556)
	at java.base/java.util.TimerThread.run(Timer.java:506)