Small issue with MetricsReloaded

Hi,

aiming to change an existing configuration I created a second configuration with the same name. After I deleted one of them (can't renmember which) I received an exception. This exception now occurs everytime I tried to start Metrics calculation:

(MetricsConfigurationPanel.java:57)

	at com.siyeh.metrics.MetricsPluginImpl.runReport(MetricsPluginImpl.java:147)

	at com.siyeh.metrics.ProjectMetricsAction.actionPerformed(ProjectMetricsAction.java:25)

	at com.intellij.openapi.f.a.m$b_.actionPerformed(m$b_.java:3)

	at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1786)

	at com.intellij.openapi.f.a.m.fireActionPerformed(m.java:55)

	at com.intellij.ui.a.a.h.doClick(h.java:29)

	at com.intellij.ui.a.a.h.access$300(h.java:81)

	at com.intellij.ui.a.a.h$a_.mouseReleased(h$a_.java:2)

	at java.awt.Component.processMouseEvent(Component.java:5100)

	at java.awt.Component.processEvent(Component.java:4897)

	at java.awt.Container.processEvent(Container.java:1569)

	at java.awt.Component.dispatchEventImpl(Component.java:3615)

	at java.awt.Container.dispatchEventImpl(Container.java:1627)

	at java.awt.Component.dispatchEvent(Component.java:3477)

	at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:3483)

	at java.awt.LightweightDispatcher.processMouseEvent(Container.java:3198)

	at java.awt.LightweightDispatcher.dispatchEvent(Container.java:3128)

	at java.awt.Container.dispatchEventImpl(Container.java:1613)

	at java.awt.Window.dispatchEventImpl(Window.java:1606)

	at java.awt.Component.dispatchEvent(Component.java:3477)

	at java.awt.EventQueue.dispatchEvent(EventQueue.java:456)

	at com.intellij.ide.r.b(r.java:43)

	at com.intellij.ide.r.a(r.java:86)

	at com.intellij.ide.r.dispatchEvent(r.java:99)

	at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:201)

	at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:151)

	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:145)

	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:137)

	at java.awt.EventDispatchThread.run(EventDispatchThread.java:100)

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