jfred@lambdacrypt ~/Downloads/pcgen$ java -jar pcgen.jar 11:52:16.300 INFO main Main:138 Starting PCGen v6.08.00 RC6 11:52:16.390 INFO main LanguageBundle:134 Initialising language bundle with locale en_US. 11:52:16.631 SEVERE main Main:484 Uncaught error - ignoring java.lang.InternalError: java.lang.reflect.InvocationTargetException at java.desktop/sun.font.FontManagerFactory$1.run(Unknown Source) at java.base/java.security.AccessController.doPrivileged(Unknown Source) at java.desktop/sun.font.FontManagerFactory.getInstance(Unknown Source) at java.desktop/sun.font.FontUtilities.getFontConfigFUIR(Unknown Source) at java.desktop/javax.swing.plaf.nimbus.NimbusDefaults.(Unknown Source) at java.desktop/javax.swing.plaf.nimbus.NimbusLookAndFeel.(Unknown Source) at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Unknown Source) at java.base/java.lang.reflect.ReflectAccess.newInstance(Unknown Source) at java.base/jdk.internal.reflect.ReflectionFactory.newInstance(Unknown Source) at java.base/java.lang.Class.newInstance(Unknown Source) at java.desktop/javax.swing.UIManager.setLookAndFeel(Unknown Source) at pcgen.gui2.plaf.LookAndFeelManager.setLookAndFeel(LookAndFeelManager.java:231) at pcgen.gui2.plaf.LookAndFeelManager.initLookAndFeel(LookAndFeelManager.java:151) at pcgen.system.Main.configureUI(Main.java:273) at pcgen.system.Main.startupWithGUI(Main.java:228) at pcgen.system.Main.main(Main.java:157) Caused by: java.lang.reflect.InvocationTargetException at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Unknown Source) at java.base/java.lang.reflect.Constructor.newInstance(Unknown Source) ... 19 more Caused by: java.lang.NullPointerException at java.desktop/sun.awt.FontConfiguration.getVersion(Unknown Source) at java.desktop/sun.awt.FontConfiguration.readFontConfigFile(Unknown Source) at java.desktop/sun.awt.FontConfiguration.init(Unknown Source) at java.desktop/sun.awt.X11FontManager.createFontConfiguration(Unknown Source) at java.desktop/sun.font.SunFontManager$2.run(Unknown Source) at java.base/java.security.AccessController.doPrivileged(Unknown Source) at java.desktop/sun.font.SunFontManager.(Unknown Source) at java.desktop/sun.awt.FcFontManager.(Unknown Source) at java.desktop/sun.awt.X11FontManager.(Unknown Source) ... 24 more