PMDPlugin throws exception while on loading a project

Used version is IntelliJ IDEA 9572

exception message is:

null
java.lang.NullPointerException
    at com.intellij.plugins.bodhi.pmd.OpenApiAdapter.runMethod(OpenApiAdapter.java:127)
    at com.intellij.plugins.bodhi.pmd.OpenApiAdapter.createCollapseAllAction(OpenApiAdapter.java:110)
    at com.intellij.plugins.bodhi.pmd.PMDResultPanel.createActions(PMDResultPanel.java:247)
    at com.intellij.plugins.bodhi.pmd.PMDResultPanel.<init>(PMDResultPanel.java:93)
    at com.intellij.plugins.bodhi.pmd.PMDProjectComponent.projectOpened(PMDProjectComponent.java:123)
    at com.intellij.openapi.project.impl.ProjectImpl.c(ProjectImpl.java:23)
    at com.intellij.openapi.project.impl.ProjectImpl.access$300(ProjectImpl.java:44)
    at com.intellij.openapi.project.impl.ProjectImpl$MyProjectManagerListener.projectOpened(ProjectImpl.java:6)
    at com.intellij.openapi.project.impl.ProjectManagerImpl$2.projectOpened(ProjectManagerImpl.java:16)
    at com.intellij.openapi.project.impl.ProjectManagerImpl.d(ProjectManagerImpl.java:148)
    at com.intellij.openapi.project.impl.ProjectManagerImpl.openProject(ProjectManagerImpl.java:67)
    at com.intellij.openapi.project.impl.ProjectManagerImpl.loadAndOpenProject(ProjectManagerImpl.java:119)
    at com.intellij.openapi.project.impl.ProjectManagerImpl.loadAndOpenProject(ProjectManagerImpl.java:96)
    at com.intellij.ide.impl.ProjectUtil.openProject(ProjectUtil.java:69)
    at com.intellij.ide.RecentProjectsManager.doOpenProject(RecentProjectsManager.java:5)
    at com.intellij.ide.RecentProjectsManagerBase$ReopenProjectAction.actionPerformed(RecentProjectsManagerBase.java:4)
    at com.intellij.ui.popup.PopupFactoryImpl$ActionPopupStep$1.run(PopupFactoryImpl.java)
    at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209)
    at java.awt.EventQueue.dispatchEvent(EventQueue.java:597)
    at com.intellij.ide.IdeEventQueue.c(IdeEventQueue.java:35)
    at com.intellij.ide.IdeEventQueue.b(IdeEventQueue.java:99)
    at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:217)
    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)