Index: src/org/openbravo/erpCommon/utility/DocumentNo_data.xsql
===================================================================
--- src/org/openbravo/erpCommon/utility/DocumentNo_data.xsql	(revision 11019)
+++ src/org/openbravo/erpCommon/utility/DocumentNo_data.xsql	(working copy)
@@ -63,7 +63,7 @@
    <SqlMethod name="nextDocTypeConnection" type="callableStatement" return="object" object="CSResponse" connection="true">
       <SqlMethodComment></SqlMethodComment>
       <Sql><![CDATA[
-        CALL AD_Sequence_DocType(?,?,?,?)
+        CALL AD_Sequence_DocType(TO_NUMBER(?),TO_NUMBER(?),?,?)
       ]]></Sql>
       <Parameter name="cDocTypeId"/>
       <Parameter name="adClientId"/>