java.lang.NoSuchMethodError on Idea7

Error during dispatching of java.awt.event.MouseEvent[MOUSE_CLICKED,(1751,1164),absolute(1747,1160),button=1,modifiers=Button1,clickCount=1] on frame0: com.intellij.ui.HyperlinkLabel: method <init>()V not found
java.lang.NoSuchMethodError: com.intellij.ui.HyperlinkLabel: method <init>()V not found
at com.cenqua.clover.idea.autoupdater.NewVersionDialog.<init>(NewVersionDialog.java:30)
at com.cenqua.clover.idea.autoupdater.NewVersionNotifier.popNotificationDialog(NewVersionNotifier.java:60)
at com.cenqua.clover.idea.autoupdater.NewVersionNotifier.popNotificationDialog(NewVersionNotifier.java:55)
at com.cenqua.clover.idea.autoupdater.NewVersionNotifier.access$000(NewVersionNotifier.java:17)
at com.cenqua.clover.idea.autoupdater.NewVersionNotifier$1.mouseClicked(NewVersionNotifier.java:80)
at java.awt.Component.processMouseEvent(Component.java:6044)
at javax.swing.JComponent.processMouseEvent(JComponent.java:3265)
at java.awt.Component.processEvent(Component.java:5806)
at java.awt.Container.processEvent(Container.java:2058)
at java.awt.Component.dispatchEventImpl(Component.java:4413)
at java.awt.Container.dispatchEventImpl(Container.java:2116)
at java.awt.Component.dispatchEvent(Component.java:4243)
at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4322)
at java.awt.LightweightDispatcher.processMouseEvent(Container.java:3995)
at java.awt.LightweightDispatcher.dispatchEvent(Container.java:3916)
at java.awt.Container.dispatchEventImpl(Container.java:2102)
at java.awt.Window.dispatchEventImpl(Window.java:2440)
at java.awt.Component.dispatchEvent(Component.java:4243)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:599)
at com.intellij.ide.IdeEventQueue.c(IdeEventQueue.java:146)
at com.intellij.ide.IdeEventQueue.b(IdeEventQueue.java:118)
at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:87)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:273)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:183)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:173)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:168)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:160)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:121)