java.lang.NullPointerException: This exception has no message.

java.lang.NullPointerException: 	at krasa.grepconsole.stats.action.ShowHideStatisticsConsolePanelAction.hasStatusItems(ShowHideStatisticsConsolePanelAction.java:48)	at krasa.grepconsole.stats.action.ShowHideStatisticsConsolePanelAction.actionPerformed(ShowHideStatisticsConsolePanelAction.java:34)	at com.intellij.openapi.actionSystem.ex.ActionUtil.performActionDumbAware(ActionUtil.java:164)	at com.intellij.openapi.actionSystem.impl.ActionMenuItem$ActionTransmitter$1.run(ActionMenuItem.java:266)	at com.intellij.openapi.wm.impl.FocusManagerImpl.runOnOwnContext(FocusManagerImpl.java:929)	at com.intellij.openapi.wm.impl.IdeFocusManagerImpl.runOnOwnContext(IdeFocusManagerImpl.java:124)	at com.intellij.openapi.actionSystem.impl.ActionMenuItem$ActionTransmitter.actionPerformed(ActionMenuItem.java:236)	at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:2018)	at com.intellij.openapi.actionSystem.impl.ActionMenuItem.fireActionPerformed(ActionMenuItem.java:105)	at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2341)	at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:402)	at javax.swing.JToggleButton$ToggleButtonModel.setPressed(JToggleButton.java:308)	at javax.swing.AbstractButton.doClick(AbstractButton.java:376)	at javax.swing.plaf.basic.BasicMenuItemUI.doClick(BasicMenuItemUI.java:833)	at javax.swing.plaf.basic.BasicMenuItemUI$Handler.mouseReleased(BasicMenuItemUI.java:877)	at java.awt.Component.processMouseEvent(Component.java:6516)	at javax.swing.JComponent.processMouseEvent(JComponent.java:3320)	at java.awt.Component.processEvent(Component.java:6281)	at java.awt.Container.processEvent(Container.java:2229)	at java.awt.Component.dispatchEventImpl(Component.java:4872)	at java.awt.Container.dispatchEventImpl(Container.java:2287)	at java.awt.Component.dispatchEvent(Component.java:4698)	at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4832)	at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4492)	at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4422)	at java.awt.Container.dispatchEventImpl(Container.java:2273)	at java.awt.Window.dispatchEventImpl(Window.java:2719)	at java.awt.Component.dispatchEvent(Component.java:4698)	at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:735)	at java.awt.EventQueue.access$200(EventQueue.java:103)	at java.awt.EventQueue$3.run(EventQueue.java:694)	at java.awt.EventQueue$3.run(EventQueue.java:692)	at java.security.AccessController.doPrivileged(Native Method)	at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76)	at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:87)	at java.awt.EventQueue$4.run(EventQueue.java:708)	at java.awt.EventQueue$4.run(EventQueue.java:706)	at java.security.AccessController.doPrivileged(Native Method)	at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76)	at java.awt.EventQueue.dispatchEvent(EventQueue.java:705)	at com.intellij.ide.IdeEventQueue.e(IdeEventQueue.java:724)	at com.intellij.ide.IdeEventQueue._dispatchEvent(IdeEventQueue.java:547)	at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:362)	at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:242)	at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:161)	at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:150)	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:146)	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:138)	at java.awt.EventDispatchThread.run(EventDispatchThread.java:91)