[BUG] Error when calling the "Effect" function

[solimar1963]

Error when calling the "Effect" function.
The following error message appears (Windows 11)

Cannot invoke "javax.swing.ImageIcon.getImage () because "icon" is null
java.lang.NullPointerException: Cannot invoke "javax.swing.ImageIcon.getImage()" because "icon" is null
at module.training.ui.TrainingLegendPanel.getSkillupTypeIcon(TrainingLegendPanel.java:96)
at module.training.ui.renderer.SkillupsTableCellRenderer.getTableCellRendererComponent(SkillupsTableCellRenderer.java:41)
at java.desktop/javax.swing.JTable.prepareRenderer(JTable.java:5797)
at java.desktop/javax.swing.plaf.synth.SynthTableUI.paintCell(SynthTableUI.java:688)
at java.desktop/javax.swing.plaf.synth.SynthTableUI.paintCells(SynthTableUI.java:585)
at java.desktop/javax.swing.plaf.synth.SynthTableUI.paint(SynthTableUI.java:369)
at java.desktop/javax.swing.plaf.synth.SynthTableUI.update(SynthTableUI.java:282)
at java.desktop/javax.swing.JComponent.paintComponent(JComponent.java:842)
at java.desktop/javax.swing.JComponent.paint(JComponent.java:1119)
at java.desktop/javax.swing.JComponent.paintChildren(JComponent.java:952)
at java.desktop/javax.swing.JComponent.paint(JComponent.java:1128)
at java.desktop/javax.swing.JViewport.paint(JViewport.java:736)
at java.desktop/javax.swing.JComponent.paintChildren(JComponent.java:952)
at java.desktop/javax.swing.JComponent.paint(JComponent.java:1128)
at java.desktop/javax.swing.JComponent.paintChildren(JComponent.java:952)
at java.desktop/javax.swing.JComponent.paint(JComponent.java:1128)
at core.gui.comp.panel.ImagePanel.paint(ImagePanel.java:52)
at java.desktop/javax.swing.JComponent.paintChildren(JComponent.java:952)
at java.desktop/javax.swing.JComponent.paint(JComponent.java:1128)
at core.gui.comp.panel.ImagePanel.paint(ImagePanel.java:52)
at java.desktop/javax.swing.JComponent.paintChildren(JComponent.java:952)
at java.desktop/javax.swing.JComponent.paint(JComponent.java:1128)
at java.desktop/javax.swing.JComponent.paintChildren(JComponent.java:952)
at java.desktop/javax.swing.JComponent.paint(JComponent.java:1128)
at java.desktop/javax.swing.JComponent.paintChildren(JComponent.java:952)
at java.desktop/javax.swing.JSplitPane.paintChildren(JSplitPane.java:1030)
at java.desktop/javax.swing.JComponent.paint(JComponent.java:1128)
at java.desktop/javax.swing.JComponent.paintChildren(JComponent.java:952)
at java.desktop/javax.swing.JSplitPane.paintChildren(JSplitPane.java:1030)
at java.desktop/javax.swing.JComponent.paint(JComponent.java:1128)
at java.desktop/javax.swing.JComponent.paintChildren(JComponent.java:952)
at java.desktop/javax.swing.JComponent.paint(JComponent.java:1128)
at java.desktop/javax.swing.JComponent.paintChildren(JComponent.java:952)
at java.desktop/javax.swing.JComponent.paint(JComponent.java:1128)
at java.desktop/javax.swing.JComponent.paintChildren(JComponent.java:952)
at java.desktop/javax.swing.JComponent.paint(JComponent.java:1128)
at java.desktop/javax.swing.JComponent.paintChildren(JComponent.java:952)
at java.desktop/javax.swing.JComponent.paint(JComponent.java:1128)
at java.desktop/javax.swing.JLayeredPane.paint(JLayeredPane.java:586)
at java.desktop/javax.swing.JComponent.paintChildren(JComponent.java:952)
at java.desktop/javax.swing.JComponent.paint(JComponent.java:1128)
at java.desktop/javax.swing.JComponent.paintToOffscreen(JComponent.java:5311)
at java.desktop/javax.swing.RepaintManager$PaintManager.paintDoubleBufferedImpl(RepaintManager.java:1657)
at java.desktop/javax.swing.RepaintManager$PaintManager.paintDoubleBuffered(RepaintManager.java:1632)
at java.desktop/javax.swing.RepaintManager$PaintManager.paint(RepaintManager.java:1570)
at java.desktop/javax.swing.RepaintManager.paint(RepaintManager.java:1337)
at java.desktop/javax.swing.JComponent._paintImmediately(JComponent.java:5259)
at java.desktop/javax.swing.JComponent.paintImmediately(JComponent.java:5069)
at java.desktop/javax.swing.RepaintManager$4.run(RepaintManager.java:879)
at java.desktop/javax.swing.RepaintManager$4.run(RepaintManager.java:862)
at java.base/java.security.AccessController.doPrivileged(AccessController.java:399)
at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:86)
at java.desktop/javax.swing.RepaintManager.paintDirtyRegions(RepaintManager.java:862)
at java.desktop/javax.swing.RepaintManager.paintDirtyRegions(RepaintManager.java:835)
at java.desktop/javax.swing.RepaintManager.prePaintDirtyRegions(RepaintManager.java:784)
at java.desktop/javax.swing.RepaintManager$ProcessingRunnable.run(RepaintManager.java:1898)
at java.desktop/java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:318)
at java.desktop/java.awt.EventQueue.dispatchEventImpl(EventQueue.java:771)
at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:722)
at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:716)
at java.base/java.security.AccessController.doPrivileged(AccessController.java:399)
at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:86)
at java.desktop/java.awt.EventQueue.dispatchEvent(EventQueue.java:741)
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)

The error cannot be "pushed away"