Advanced Search throws NullPointerException when two Subtypes of WTPart or WTDocument selected and State specified as Criteria in Windchill PDMlink

error:-------------java.lang.NullPointerException
java.lang.NullPointerException
    at com.ptc.windchill.enterprise.search.mvc.model.criteriaAdapters.CriteriaAdapterFactory.getSearchCompAdapter(CriteriaAdapterFactory.java:56)
    at com.ptc.netmarkets.search.WhereClauseBuilder.buildWhereClauseForGroup(WhereClauseBuilder.java:498)
    at com.ptc.netmarkets.search.WhereClauseBuilder.buildNestedWhereClause(WhereClauseBuilder.java:461)
    at com.ptc.netmarkets.search.WhereClauseBuilder.buildWhereClause(WhereClauseBuilder.java:81)
    at com.ptc.netmarkets.search.SearchResultsParamHelper.getWhereClause(SearchResultsParamHelper.java:609)
    at com.ptc.netmarkets.search.tags.preSearchResultsTag.setSearchCriteria(preSearchResultsTag.java:118)
    at com.ptc.windchill.enterprise.search.mvc.controllers.SearchResultsController.getResultPageModelAndView(SearchResultsController.java:251)
    at com.ptc.windchill.enterprise.search.mvc.controllers.SearchResultsController.processRequest(SearchResultsController.java:107)
    at sun.reflect.GeneratedMethodAccessor1177.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:498)
    at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:190)
    at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:138)
    at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:105)
    at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:878)
    at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:792)
    at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:87)
    at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1040)
    at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:943)
    at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1006)
    at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:909)