Erro Top Link

Galera alguém pode me ajudar com esse erro do Top Link

javax.faces.FacesException: Error calling action method of component with id _idJsp0:subviewArquivoOfertas:_idJsp70
	at org.apache.myfaces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:72)
	at javax.faces.component.UICommand.broadcast(UICommand.java:141)
	at org.ajax4jsf.component.AjaxViewRoot.processEvents(AjaxViewRoot.java:184)
	at org.ajax4jsf.component.AjaxViewRoot.broadcastEvents(AjaxViewRoot.java:162)
	at org.ajax4jsf.component.AjaxViewRoot.processApplication(AjaxViewRoot.java:350)
	at org.apache.myfaces.lifecycle.InvokeApplicationExecutor.execute(InvokeApplicationExecutor.java:32)
	at org.apache.myfaces.lifecycle.LifecycleImpl.executePhase(LifecycleImpl.java:105)
	at org.apache.myfaces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:80)
	at javax.faces.webapp.FacesServlet.service(FacesServlet.java:143)
	at com.evermind.server.http.ResourceFilterChain.doFilter(ResourceFilterChain.java:64)
	at org.ajax4jsf.webapp.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:141)
	at org.ajax4jsf.webapp.BaseFilter.doFilter(BaseFilter.java:281)
	at com.evermind.server.http.EvermindFilterChain.doFilter(EvermindFilterChain.java:15)
	at org.apache.myfaces.webapp.filter.ExtensionsFilter.doFilter(ExtensionsFilter.java:301)
	at com.evermind.server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:621)
	at com.evermind.server.http.ServletRequestDispatcher.forwardInternal(ServletRequestDispatcher.java:370)
	at com.evermind.server.http.HttpRequestHandler.doProcessRequest(HttpRequestHandler.java:871)
	at com.evermind.server.http.HttpRequestHandler.processRequest(HttpRequestHandler.java:453)
	at com.evermind.server.http.HttpRequestHandler.serveOneRequest(HttpRequestHandler.java:221)
	at com.evermind.server.http.HttpRequestHandler.run(HttpRequestHandler.java:122)
	at com.evermind.server.http.HttpRequestHandler.run(HttpRequestHandler.java:111)
	at oracle.oc4j.network.ServerSocketReadHandler$SafeRunnable.run(ServerSocketReadHandler.java:260)
	at com.evermind.util.ReleasableResourcePooledExecutor$MyWorker.run(ReleasableResourcePooledExecutor.java:303)
	at java.lang.Thread.run(Thread.java:595)
Caused by: javax.faces.el.EvaluationException: Exception while invoking expression #{importarOfertasController.importarOfertas}
	at org.apache.myfaces.el.MethodBindingImpl.invoke(MethodBindingImpl.java:156)
	at org.apache.myfaces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:61)
	... 23 more
Caused by: Exception [TOPLINK-7009] (Oracle TopLink - 10g Release 3 (10.1.3.4.0) (Build 080602)): oracle.toplink.exceptions.ValidationException
Exception Description: Missing descriptor for [class br.com.perfumaria.preco.pojos.TbCargaRemarcacao].  Verify that the descriptor has been properly registered with the Session.
	at oracle.toplink.exceptions.ValidationException.missingDescriptor(ValidationException.java:832)
	at oracle.toplink.publicinterface.UnitOfWork.registerObject(UnitOfWork.java:3884)
	at br.com.perfumaria.preco.dao.importarofertas.ImportarOfertasDAO.saveImportOfertas(ImportarOfertasDAO.java:39)
	at br.com.perfumaria.preco.dao.importarofertas.ImportarOfertasDAO.saveOfertas(ImportarOfertasDAO.java:15)
	at br.com.perfumaria.preco.controller.importarofertas.ImportarOfertasController.importarOfertas(ImportarOfertasController.java:293)
	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:585)
	at org.apache.myfaces.el.MethodBindingImpl.invoke(MethodBindingImpl.java:132)