Exception in thread "main" java.lang.Error: Cannot load javax.swing.plaf.metal.MetalLookAndFeel
at java.desktop/javax.swing.UIManager.initializeDefaultLAF(UIManager.java:1406)
at java.desktop/javax.swing.UIManager.initialize(UIManager.java:1517)
at java.desktop/javax.swing.UIManager.maybeInitialize(UIManager.java:1483)
at java.desktop/javax.swing.UIManager.getDefaults(UIManager.java:709)
at java.desktop/javax.swing.UIManager.getColor(UIManager.java:751)
at java.desktop/javax.swing.plaf.nimbus.DerivedColor.rederiveColor(DerivedColor.java:81)
at java.desktop/javax.swing.plaf.nimbus.NimbusDefaults.getDerivedColor(NimbusDefaults.java:1640)
at java.desktop/javax.swing.plaf.nimbus.NimbusDefaults.addColor(NimbusDefaults.java:1597)
at java.desktop/javax.swing.plaf.nimbus.NimbusDefaults.addColor(NimbusDefaults.java:1591)
at java.desktop/javax.swing.plaf.nimbus.NimbusDefaults.initializeDefaults(NimbusDefaults.java:249)
at java.desktop/javax.swing.plaf.nimbus.NimbusLookAndFeel.getDefaults(NimbusLookAndFeel.java:138)
at snowflake.App.main(App.java:68)
Desktop (please complete the following information):
Describe the bug Error when opening
Exception in thread "main" java.lang.Error: Cannot load javax.swing.plaf.metal.MetalLookAndFeel at java.desktop/javax.swing.UIManager.initializeDefaultLAF(UIManager.java:1406) at java.desktop/javax.swing.UIManager.initialize(UIManager.java:1517) at java.desktop/javax.swing.UIManager.maybeInitialize(UIManager.java:1483) at java.desktop/javax.swing.UIManager.getDefaults(UIManager.java:709) at java.desktop/javax.swing.UIManager.getColor(UIManager.java:751) at java.desktop/javax.swing.plaf.nimbus.DerivedColor.rederiveColor(DerivedColor.java:81) at java.desktop/javax.swing.plaf.nimbus.NimbusDefaults.getDerivedColor(NimbusDefaults.java:1640) at java.desktop/javax.swing.plaf.nimbus.NimbusDefaults.addColor(NimbusDefaults.java:1597) at java.desktop/javax.swing.plaf.nimbus.NimbusDefaults.addColor(NimbusDefaults.java:1591) at java.desktop/javax.swing.plaf.nimbus.NimbusDefaults.initializeDefaults(NimbusDefaults.java:249) at java.desktop/javax.swing.plaf.nimbus.NimbusLookAndFeel.getDefaults(NimbusLookAndFeel.java:138) at snowflake.App.main(App.java:68)
Desktop (please complete the following information):