[RESOLVIDO]dataTable - commandButton -Cannot convert

Pessoal, coloquei um botao para selecionar a linha selecionada e quando clico no botao da o seguinte erro :

Pelo que eu entendi nao daria para converter, mas nao sei mais o que fazer .

Alguem pode me dar uma luz ??

AVISO: #{cadguiaMbean.selecionarproced(tabproc)}: java.lang.IllegalArgumentException: Cannot convert br.uniplan.modelo.planouni.Tabproc[ tabprocPK=br.uniplan.modelo.planouni.TabprocPK[ codproc=00010018, codInt=00010018, codtab=AMB92 ] ] of type class br.uniplan.modelo.planouni.Tabproc to class br.uniplan.modelo.planouni.Itensguia
javax.faces.FacesException: #{cadguiaMbean.selecionarproced(tabproc)}: java.lang.IllegalArgumentException: Cannot convert br.uniplan.modelo.planouni.Tabproc[ tabprocPK=br.uniplan.modelo.planouni.TabprocPK[ codproc=00010018, codInt=00010018, codtab=AMB92 ] ] of type class br.uniplan.modelo.planouni.Tabproc to class br.uniplan.modelo.planouni.Itensguia
at com.sun.faces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:118)
at javax.faces.component.UICommand.broadcast(UICommand.java:315)
at javax.faces.component.UIData.broadcast(UIData.java:1093)
at javax.faces.component.UIViewRoot.broadcastEvents(UIViewRoot.java:794)
at javax.faces.component.UIViewRoot.processApplication(UIViewRoot.java:1259)
at com.sun.faces.lifecycle.InvokeApplicationPhase.execute(InvokeApplicationPhase.java:81)
at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101)
at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:118)
at javax.faces.webapp.FacesServlet.service(FacesServlet.java:593)
at org.apache.catalina.core.StandardWrapper.service(StandardWrapper.java:1550)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:281)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:655)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:595)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:161)
at org.apache.catalina.connector.CoyoteAdapter.doService(CoyoteAdapter.java:331)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:231)
at com.sun.enterprise.v3.services.impl.ContainerMapper$AdapterCallable.call(ContainerMapper.java:317)
at com.sun.enterprise.v3.services.impl.ContainerMapper.service(ContainerMapper.java:195)
at com.sun.grizzly.http.ProcessorTask.invokeAdapter(ProcessorTask.java:860)
at com.sun.grizzly.http.ProcessorTask.doProcess(ProcessorTask.java:757)
at com.sun.grizzly.http.ProcessorTask.process(ProcessorTask.java:1056)
at com.sun.grizzly.http.DefaultProtocolFilter.execute(DefaultProtocolFilter.java:229)
at com.sun.grizzly.DefaultProtocolChain.executeProtocolFilter(DefaultProtocolChain.java:137)
at com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:104)
at com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:90)
at com.sun.grizzly.http.HttpProtocolChain.execute(HttpProtocolChain.java:79)
at com.sun.grizzly.ProtocolChainContextTask.doCall(ProtocolChainContextTask.java:54)
at com.sun.grizzly.SelectionKeyContextTask.call(SelectionKeyContextTask.java:59)
at com.sun.grizzly.ContextTask.run(ContextTask.java:71)
at com.sun.grizzly.util.AbstractThreadPool$Worker.doWork(AbstractThreadPool.java:532)
at com.sun.grizzly.util.AbstractThreadPool$Worker.run(AbstractThreadPool.java:513)
at java.lang.Thread.run(Thread.java:662)
Caused by: javax.faces.el.EvaluationException: java.lang.IllegalArgumentException: Cannot convert br.uniplan.modelo.planouni.Tabproc[ tabprocPK=br.uniplan.modelo.planouni.TabprocPK[ codproc=00010018, codInt=00010018, codtab=AMB92 ] ] of type class br.uniplan.modelo.planouni.Tabproc to class br.uniplan.modelo.planouni.Itensguia
at javax.faces.component.MethodBindingMethodExpressionAdapter.invoke(MethodBindingMethodExpressionAdapter.java:102)
at com.sun.faces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:102)
… 32 more
Caused by: java.lang.IllegalArgumentException: Cannot convert br.uniplan.modelo.planouni.Tabproc[ tabprocPK=br.uniplan.modelo.planouni.TabprocPK[ codproc=00010018, codInt=00010018, codtab=AMB92 ] ] of type class br.uniplan.modelo.planouni.Tabproc to class br.uniplan.modelo.planouni.Itensguia
at com.sun.el.lang.ELSupport.coerceToType(ELSupport.java:412)
at com.sun.el.ExpressionFactoryImpl.coerceToType(ExpressionFactoryImpl.java:71)
at javax.el.BeanELResolver.invokeMethod(BeanELResolver.java:773)
at javax.el.BeanELResolver.invoke(BeanELResolver.java:528)
at javax.el.CompositeELResolver.invoke(CompositeELResolver.java:257)
at com.sun.el.parser.AstValue.invoke(AstValue.java:248)
at com.sun.el.MethodExpressionImpl.invoke(MethodExpressionImpl.java:302)
at org.jboss.weld.util.el.ForwardingMethodExpression.invoke(ForwardingMethodExpression.java:39)
at org.jboss.weld.el.WeldMethodExpression.invoke(WeldMethodExpression.java:50)
at com.sun.faces.facelets.el.TagMethodExpression.invoke(TagMethodExpression.java:105)
at javax.faces.component.MethodBindingMethodExpressionAdapter.invoke(MethodBindingMethodExpressionAdapter.java:88)
… 33 more



                          <p:dataTable id="lazyDataTableproc" value="#{cadguiaMbean.tabprocList}" var="tabproc" pemptyMessage="Nenhum registro encontrado."   
                                   paginator="true" rows="10"  pageLinks="10"  
                                   paginatorTemplate="{CurrentPageReport} {FirstPageLink} {PreviousPageLink} {PageLinks}   
                                   {NextPageLink} {LastPageLink} Registros por página: {RowsPerPageDropdown}"  
                                   
                                   rowKey="#{tabproc.tabprocPK.codproc}"
                                   selection="#{cadguiaMbean.tabprocList1}"  
                            
                                     rowsPerPageTemplate="5,10,15,20" lazy="true">
                                        
                            
                            
                            
                              
			     <p:column
                                  id="codproc" filterBy="#{tabproc.tabprocPK.codproc}" 
                                  headerText="codproc" 
                                  filterMatchMode="contains">                               
					<f:facet name="header">codproc</f:facet>
                                        <h:outputText value="#{tabproc.tabprocPK.codproc}" />
		              </p:column>
                                        
			     <p:column
                                  id="nome" filterBy="#{tabproc.descricao}" 
                                  headerText="descricao" 
                                  filterMatchMode="contains">                               
					<f:facet name="header">descricao</f:facet>
                                        <h:outputText value="#{tabproc.descricao}" />
		              </p:column>
                
                            
                        <p:column headerText="" styleClass="fonte" >                         
                            <p:commandButton action="#{cadguiaMbean.selecionarproced(tabproc)}" update=":formprincipal:dttableprocedimento11" value="Selecionar" oncomplete="procedimento.show();"/>
                        </p:column>                            
                            
        	     </p:dataTable>         

Estava errado no meu Bean