Whenever I click on a device all get is what is posted below:
Novell ZENworks Control Center has encountered an error. The details of the error are shown below any ideas?:

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Error Details:

java.lang.NoSuchMethodError: com.novell.zenworks.datamodel.services.preboot.Pre bootAdminService.getDevicePrebootData(Ljava/lang/String;)Lcom/novell/zenworks/datamodel/objects/preboot/DevicePrebootWorkData;
at com.novell.zenworks.admin.pages.workstations.Prebo otWorkSnapshot.loadFromDataModel(PrebootWorkSnapsh ot.java:192)
at com.novell.zenworks.admin.pages.workstations.Prebo otWorkSnapshot.onLoad(PrebootWorkSnapshot.java:146 )
at com.novell.web.controls.WebControl.loadRecursive(W ebControl.java:2416)
at com.novell.web.controls.WebControl.loadRecursive(W ebControl.java:2422)
at com.novell.web.controls.WebControl.loadRecursive(W ebControl.java:2422)
at com.novell.zenworks.admin.layout.SnapshotTemplate. loadRecursive(SnapshotTemplate.java:482)
at com.novell.web.controls.WebControl.loadRecursive(W ebControl.java:2422)
at com.novell.web.controls.WebControl.loadRecursive(W ebControl.java:2422)
at com.novell.web.controls.WebControl.loadRecursive(W ebControl.java:2422)
at com.novell.web.controls.WebControl.loadRecursive(W ebControl.java:2422)
at com.novell.web.controls.WebControl.loadRecursive(W ebControl.java:2422)
at com.novell.web.controls.WebControl.loadRecursive(W ebControl.java:2422)
at com.novell.web.controls.WebControl.loadRecursive(W ebControl.java:2422)
at com.novell.web.controls.WebControl.loadRecursive(W ebControl.java:2422)
at com.novell.web.controls.WebControl.loadRecursive(W ebControl.java:2422)
at com.novell.web.controls.WebControl.loadRecursive(W ebControl.java:2422)
at com.novell.web.controls.Page.internalProcessReques t(Page.java:570)
at com.novell.web.controls.Page.processRequest(Page.j ava:525)
at com.novell.zenworks.admin.layout.Index.processRequ est(Index.java:516)
at com.novell.web.controls.PageTag.doEndTag(PageTag.j ava:83)
at org.apache.jsp.jsp.index_jsp._jspService(index_jsp .java:179)
at org.apache.jasper.runtime.HttpJspBase.service(Http JspBase.java:98)
at javax.servlet.http.HttpServlet.service(HttpServlet .java:803)
at org.apache.jasper.servlet.JspServletWrapper.servic e(JspServletWrapper.java:328)
at org.apache.jasper.servlet.JspServlet.serviceJspFil e(JspServlet.java:315)
at org.apache.jasper.servlet.JspServlet.service(JspSe rvlet.java:265)
at javax.servlet.http.HttpServlet.service(HttpServlet .java:803)
at org.apache.catalina.core.ApplicationFilterChain.in ternalDoFilter(ApplicationFilterChain.java:269)
at org.apache.catalina.core.ApplicationFilterChain.do Filter(ApplicationFilterChain.java:188)
at org.apache.catalina.core.ApplicationDispatcher.inv oke(ApplicationDispatcher.java:691)
at org.apache.catalina.core.ApplicationDispatcher.pro cessRequest(ApplicationDispatcher.java:469)
at org.apache.catalina.core.ApplicationDispatcher.doF orward(ApplicationDispatcher.java:364)
at org.apache.catalina.core.ApplicationDispatcher.for ward(ApplicationDispatcher.java:301)
at com.novell.web.NJWCServlet.serviceImpl(NJWCServlet .java:82)
at com.novell.zenworks.admin.NRMServlet.service(NRMSe rvlet.java:176)
at javax.servlet.http.HttpServlet.service(HttpServlet .java:803)
at org.apache.catalina.core.ApplicationFilterChain.in ternalDoFilter(ApplicationFilterChain.java:269)
at org.apache.catalina.core.ApplicationFilterChain.do Filter(ApplicationFilterChain.java:188)
at org.apache.catalina.core.StandardWrapperValve.invo ke(StandardWrapperValve.java:210)
at org.apache.catalina.core.StandardContextValve.invo ke(StandardContextValve.java:174)
at org.apache.catalina.authenticator.AuthenticatorBas e.invoke(AuthenticatorBase.java:525)
at org.apache.catalina.core.StandardHostValve.invoke( StandardHostValve.java:127)
at org.apache.catalina.valves.ErrorReportValve.invoke (ErrorReportValve.java:117)
at org.apache.catalina.core.StandardEngineValve.invok e(StandardEngineValve.java:108)
at com.novell.zenworks.tomcat.ZENRequestValve.invoke( ZENRequestValve.java:1090)
at org.apache.catalina.connector.CoyoteAdapter.servic e(CoyoteAdapter.java:151)
at org.apache.coyote.http11.Http11Processor.process(H ttp11Processor.java:870)
at org.apache.coyote.http11.Http11BaseProtocol$Http11 ConnectionHandler.processConnection(Http11BaseProt ocol.java:665)
at org.apache.tomcat.util.net.PoolTcpEndpoint.process Socket(PoolTcpEndpoint.java:528)
at org.apache.tomcat.util.net.LeaderFollowerWorkerThr ead.runIt(LeaderFollowerWorkerThread.java:81)
at org.apache.tomcat.util.threads.ThreadPool$ControlR unnable.run(ThreadPool.java:685)
at java.lang.Thread.run(Thread.java:595)