Screen Render Error

I installed Opentaps 1.5.0 in ubuntu 10.04 using run-install-extseed. I updated Company PartyId with my company and created a user in User Name(s) section. When I try to login using the newly created id I get the following error.
Somebody a similar error at http://sourceforge.net/tracker/index.php?func=detail&aid=2975955&group_i...

Do we have a resolution to this defect?

Screen Render Error
org.ofbiz.base.util.GeneralException: Error running BSH script at location [component://homeapps/webapp/homeapps/WEB-INF/actions/retrievePartyInfos.bsh] (Error running BSH script at [component://homeapps/webapp/homeapps/WEB-INF/actions/retrievePartyInfos.bsh], line [36]: Sourced file: component://homeapps/webapp/homeapps/WEB-INF/actions/retrievePartyInfos.bsh : at Line: 36 : in file: component://homeapps/webapp/homeapps/WEB-INF/actions/retrievePartyInfos.bsh : partyAndPerson .get ( "firstName" )

Target exception: java.lang.NullPointerException: Null Pointer in Method Invocation
(Sourced file: component://homeapps/webapp/homeapps/WEB-INF/actions/retrievePartyInfos.bsh))
at org.ofbiz.widget.screen.ModelScreenAction$Script.runAction(ModelScreenAction.java:419)
at org.ofbiz.widget.screen.ModelScreenAction.runSubActions(ModelScreenAction.java:125)
at org.ofbiz.widget.screen.ModelScreenWidget$Section.renderWidgetString(ModelScreenWidget.java:225)
at org.ofbiz.widget.screen.ModelScreen.renderScreenString(ModelScreen.java:398)
at org.ofbiz.widget.screen.ScreenRenderer.render(ScreenRenderer.java:134)
at org.ofbiz.widget.screen.ScreenRenderer.render(ScreenRenderer.java:95)
at org.ofbiz.widget.screen.ScreenWidgetViewHandler.render(ScreenWidgetViewHandler.java:104)
at org.ofbiz.webapp.control.RequestHandler.renderView(RequestHandler.java:849)
at org.ofbiz.webapp.control.RequestHandler.doRequest(RequestHandler.java:562)
at org.ofbiz.webapp.control.ControlServlet.doGet(ControlServlet.java:228)
at org.ofbiz.webapp.control.ControlServlet.doPost(ControlServlet.java:91)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:637)
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.ofbiz.webapp.control.ContextFilter.doFilter(ContextFilter.java:270)
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:233)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:555)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:852)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:588)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
at java.lang.Thread.run(Thread.java:636)
Caused by: org.ofbiz.base.util.GeneralException: Error running BSH script at [component://homeapps/webapp/homeapps/WEB-INF/actions/retrievePartyInfos.bsh], line [36]: Sourced file: component://homeapps/webapp/homeapps/WEB-INF/actions/retrievePartyInfos.bsh : at Line: 36 : in file: component://homeapps/webapp/homeapps/WEB-INF/actions/retrievePartyInfos.bsh : partyAndPerson .get ( "firstName" )

Target exception: java.lang.NullPointerException: Null Pointer in Method Invocation
(Sourced file: component://homeapps/webapp/homeapps/WEB-INF/actions/retrievePartyInfos.bsh)
at org.ofbiz.base.util.BshUtil.runBshAtLocation(BshUtil.java:180)
at org.ofbiz.widget.screen.ModelScreenAction$Script.runAction(ModelScreenAction.java:417)
... 28 more
Caused by: Sourced file: component://homeapps/webapp/homeapps/WEB-INF/actions/retrievePartyInfos.bsh : at Line: 36 : in file: component://homeapps/webapp/homeapps/WEB-INF/actions/retrievePartyInfos.bsh : partyAndPerson .get ( "firstName" )

Target exception: java.lang.NullPointerException: Null Pointer in Method Invocation

at bsh.UtilTargetError.toEvalError(Unknown Source)
at bsh.UtilEvalError.toEvalError(Unknown Source)
at bsh.BSHMethodInvocation.eval(Unknown Source)
at bsh.BSHPrimaryExpression.eval(Unknown Source)
at bsh.BSHPrimaryExpression.eval(Unknown Source)
at bsh.BSHArguments.getArguments(Unknown Source)
at bsh.BSHMethodInvocation.eval(Unknown Source)
at bsh.BSHPrimaryExpression.eval(Unknown Source)
at bsh.BSHPrimaryExpression.eval(Unknown Source)
at bsh.BSHBlock.evalBlock(Unknown Source)
at bsh.BSHBlock.eval(Unknown Source)
at bsh.BSHBlock.eval(Unknown Source)
at bsh.BSHIfStatement.eval(Unknown Source)
at bsh.Interpreter.evalParsedScript(Unknown Source)
at bsh.Interpreter.evalParsedScript(Unknown Source)
at org.ofbiz.base.util.BshUtil.runBshAtLocation(BshUtil.java:156)
... 29 more