diff --git a/src/org/openbravo/erpCommon/ad_process/ExpenseAPInvoice.java b/src/org/openbravo/erpCommon/ad_process/ExpenseAPInvoice.java
--- a/src/org/openbravo/erpCommon/ad_process/ExpenseAPInvoice.java
+++ b/src/org/openbravo/erpCommon/ad_process/ExpenseAPInvoice.java
@@ -44,6 +44,7 @@
 import org.openbravo.erpCommon.utility.SequenceIdData;
 import org.openbravo.erpCommon.utility.ToolBar;
 import org.openbravo.erpCommon.utility.Utility;
+import org.openbravo.service.db.DalConnectionProvider;
 import org.openbravo.xmlEngine.XmlDocument;
 
 public class ExpenseAPInvoice extends HttpSecureAppServlet {
@@ -119,7 +120,7 @@
 
     Connection conn = null;
     try {
-      conn = this.getTransactionConnection();
+      conn = new DalConnectionProvider(false).getConnection();
 
       ExpenseAPInvoiceData[] data = ExpenseAPInvoiceData.select(this,
           Utility.getContext(this, vars, "#User_Client", "ExpenseAPInvoice"),