Error while instanciating the plugin :
Caused by : java.lang.ClassNotFoundException: icy.gui.component.ColorChooserButton$ColorChangeListener
java.lang.NoClassDefFoundError: icy/gui/component/ColorChooserButton$ColorChangeListener
at java.lang.Class.getDeclaredConstructors0(Native Method)
at java.lang.Class.privateGetDeclaredConstructors(Class.java:2389)
at java.lang.Class.getConstructor0(Class.java:2699)
at java.lang.Class.newInstance0(Class.java:326)
at java.lang.Class.newInstance(Class.java:308)
at icy.plugin.PluginLauncher.launch(PluginLauncher.java:79)
at icy.gui.menu.MainRibbon$1.actionPerformed(MainRibbon.java:134)
at org.pushingpixels.flamingo.api.common.AbstractCommandButton.fireActionPerformed(AbstractCommandButton.java:614)
at org.pushingpixels.flamingo.api.common.AbstractCommandButton$ActionHandler.actionPerformed(AbstractCommandButton.java:566)
at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:387)
at org.pushingpixels.flamingo.api.common.model.ActionRepeatableButtonModel.setPressed(ActionRepeatableButtonModel.java:123)
at org.pushingpixels.flamingo.internal.ui.common.BasicCommandButtonListener.mouseReleased(BasicCommandButtonListener.java:147)
at java.awt.AWTEventMulticaster.mouseReleased(AWTEventMulticaster.java:272)
at java.awt.AWTEventMulticaster.mouseReleased(AWTEventMulticaster.java:272)
at java.awt.Component.processMouseEvent(Component.java:6263)
at javax.swing.JComponent.processMouseEvent(JComponent.java:3267)
at java.awt.Component.processEvent(Component.java:6028)
at java.awt.Container.processEvent(Container.java:2041)
at java.awt.Component.dispatchEventImpl(Component.java:4630)
at java.awt.Container.dispatchEventImpl(Container.java:2099)
at java.awt.Component.dispatchEvent(Component.java:4460)
at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4574)
at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4238)
at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4168)
at java.awt.Container.dispatchEventImpl(Container.java:2085)
at java.awt.Window.dispatchEventImpl(Window.java:2478)
at java.awt.Component.dispatchEvent(Component.java:4460)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:599)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:174)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:169)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:161)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)

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