diff --git a/org.adempiere.base/src/org/compiere/wf/MWFActivity.java b/org.adempiere.base/src/org/compiere/wf/MWFActivity.java
index 68860f5b92..6f538b3158 100644
--- a/org.adempiere.base/src/org/compiere/wf/MWFActivity.java
+++ b/org.adempiere.base/src/org/compiere/wf/MWFActivity.java
@@ -85,7 +85,7 @@ public class MWFActivity extends X_AD_WF_Activity implements Runnable
 	/**
 	 * 
 	 */
-	private static final long serialVersionUID = 8180781075902940080L;
+	private static final long serialVersionUID = -9119089506977887142L;
 
 	private static final String CURRENT_WORKFLOW_PROCESS_INFO_ATTR = "Workflow.ProcessInfo";
 	
@@ -2171,4 +2171,12 @@ public class MWFActivity extends X_AD_WF_Activity implements Runnable
 		return where;
 	}
 
+	public String getProcessMsg() {
+
+		if (m_process == null)
+			return null;
+
+		return m_process.getProcessMsg();
+	}
+
 }	//	MWFActivity
diff --git a/org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/apps/wf/WWFActivity.java b/org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/apps/wf/WWFActivity.java
index 763722a1d1..059d04f8c5 100644
--- a/org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/apps/wf/WWFActivity.java
+++ b/org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/apps/wf/WWFActivity.java
@@ -673,11 +673,14 @@ public class WWFActivity extends ADForm implements EventListener<Event>
 					m_activity.setUserChoice(AD_User_ID, value, dt, textMsg);
 					MWFProcess wfpr = new MWFProcess(m_activity.getCtx(), m_activity.getAD_WF_Process_ID(), m_activity.get_TrxName());
 					wfpr.checkCloseActivities(m_activity.get_TrxName());
+					
+					if (!Util.isEmpty(m_activity.getProcessMsg(), true))
+						Dialog.error(m_WindowNo, m_activity.getProcessMsg());
 				}
 				catch (Exception e)
 				{
 					log.log(Level.SEVERE, node.getName(), e);
-					Dialog.error(m_WindowNo, "Error", e.toString());
+					Dialog.error(m_WindowNo, "Error", e.getLocalizedMessage() != null ? e.getLocalizedMessage() : e.getMessage());
 					trx.rollback();
 					trx.close();
 					return;
@@ -693,6 +696,9 @@ public class WWFActivity extends ADForm implements EventListener<Event>
 					m_activity.setUserConfirmation(AD_User_ID, textMsg);
 					MWFProcess wfpr = new MWFProcess(m_activity.getCtx(), m_activity.getAD_WF_Process_ID(), m_activity.get_TrxName());
 					wfpr.checkCloseActivities(m_activity.get_TrxName());
+					
+					if (!Util.isEmpty(m_activity.getProcessMsg(), true))
+						Dialog.error(m_WindowNo, m_activity.getProcessMsg());
 				}
 				catch (Exception e)
 				{