Dears,

i have installed jBPM and everything is great until now, i've created a new process, deploy and tested successfully on the server,

my current enviroment is :

JDK  : 1.6

AS   : JBoss 5.1.0

jbpm : 4.4

DB   : MySQL 5.0

IDE  : Eclipse Helios

when i want to run a report from jbpm-console it throws an exception like this :

The following items have errors:

Error.ReportQueryLoadingError ( 1 time(s)

 )
detail : org.eclipse.birt.report.engine.api.EngineException: Can't load the report query: 93.
 at org.eclipse.birt.report.engine.data.dte.DataPresentationEngine.doExecuteQuery(DataPresentationEngine.java:140)
 at org.eclipse.birt.report.engine.data.dte.AbstractDataEngine.execute(AbstractDataEngine.java:253)
 at org.eclipse.birt.report.engine.executor.ExecutionContext.executeQuery(ExecutionContext.java:1755)
 at org.eclipse.birt.report.engine.internal.document.v4.ReportItemExecutor.executeQuery(ReportItemExecutor.java:409)
 at org.eclipse.birt.report.engine.internal.document.v4.DataItemExecutor.doExecute(DataItemExecutor.java:62)
 at org.eclipse.birt.report.engine.internal.document.v4.ReportItemExecutor.execute(ReportItemExecutor.java:294)
 at org.eclipse.birt.report.engine.internal.document.v4.ContainerExecutor.prepareChildExecutor(ContainerExecutor.java:222)
 at org.eclipse.birt.report.engine.internal.document.v4.ContainerExecutor.hasNextChild(ContainerExecutor.java:110)
 at org.eclipse.birt.report.engine.internal.executor.wrap.WrappedReportItemExecutor.hasNextChild(WrappedReportItemExecutor.java:85)
 at org.eclipse.birt.report.engine.internal.executor.wrap.WrappedReportItemExecutor.hasNextChild(WrappedReportItemExecutor.java:85)
 at org.eclipse.birt.report.engine.layout.html.HTMLBlockStackingLM.layoutNodes(HTMLBlockStackingLM.java:60)
 at org.eclipse.birt.report.engine.layout.html.HTMLStackingLM.layoutChildren(HTMLStackingLM.java:27)
 at org.eclipse.birt.report.engine.layout.html.HTMLAbstractLM.layout(HTMLAbstractLM.java:133)
 at org.eclipse.birt.report.engine.layout.html.HTMLInlineStackingLM.resumeLayout(HTMLInlineStackingLM.java:104)
 at org.eclipse.birt.report.engine.layout.html.HTMLInlineStackingLM.layoutNodes(HTMLInlineStackingLM.java:153)
 at org.eclipse.birt.report.engine.layout.html.HTMLStackingLM.layoutChildren(HTMLStackingLM.java:27)
 at org.eclipse.birt.report.engine.layout.html.HTMLAbstractLM.layout(HTMLAbstractLM.java:133)
 at org.eclipse.birt.report.engine.layout.html.HTMLBlockStackingLM.layoutNodes(HTMLBlockStackingLM.java:68)
 at org.eclipse.birt.report.engine.layout.html.HTMLStackingLM.layoutChildren(HTMLStackingLM.java:27)
 at org.eclipse.birt.report.engine.layout.html.HTMLTableLM.layoutChildren(HTMLTableLM.java:76)
 at org.eclipse.birt.report.engine.layout.html.HTMLAbstractLM.layout(HTMLAbstractLM.java:133)
 at org.eclipse.birt.report.engine.layout.html.HTMLBlockStackingLM.layoutNodes(HTMLBlockStackingLM.java:68)
 at org.eclipse.birt.report.engine.layout.html.HTMLPageLM.layout(HTMLPageLM.java:90)
 at org.eclipse.birt.report.engine.layout.html.HTMLReportLayoutEngine.layout(HTMLReportLayoutEngine.java:101)
 at org.eclipse.birt.report.engine.api.impl.RenderTask$PageRangeRender.render(RenderTask.java:534)
 at org.eclipse.birt.report.engine.api.impl.RenderTask.render(RenderTask.java:209)
 at org.jboss.bpm.report.BirtService.view(BirtService.java:411)
 at org.jboss.bpm.report.ReportFacade.viewReportHtml(ReportFacade.java:179)
 at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
 at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
 at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
 at java.lang.reflect.Method.invoke(Method.java:597)
 at org.jboss.resteasy.core.MethodInjectorImpl.invoke(MethodInjectorImpl.java:117)
 at org.jboss.resteasy.core.ResourceMethod.invokeOnTarget(ResourceMethod.java:260)
 at org.jboss.resteasy.core.ResourceMethod.invoke(ResourceMethod.java:232)
 at org.jboss.resteasy.core.ResourceMethod.invoke(ResourceMethod.java:166)
 at org.jboss.resteasy.core.DispatcherUtilities.getJaxrsResponse(DispatcherUtilities.java:142)
 at org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:356)
 at org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:173)
 at org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:93)
 at org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:68)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
 at org.jboss.bpm.console.server.util.GWTJsonFilter.doFilter(GWTJsonFilter.java:59)
 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
 at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
 at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:235)
 at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
 at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:190)
 at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:433)
 at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:92)
 at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.process(SecurityContextEstablishmentValve.java:126)
 at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.invoke(SecurityContextEstablishmentValve.java:70)
 at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
 at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
 at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:158)
 at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
 at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:330)
 at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:829)
 at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:598)
 at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
 at java.lang.Thread.run(Thread.java:619)

any help will be great,

thanks in advance.