Index: WS/EC/DataServer.cls.xml
===================================================================
diff -u -r1074 -r3585
--- WS/EC/DataServer.cls.xml	(.../DataServer.cls.xml)	(revision 1074)
+++ WS/EC/DataServer.cls.xml	(.../DataServer.cls.xml)	(revision 3585)
@@ -21,9 +21,13 @@
 <br>  - KennisAnker = 'IM:KA']]></Description>
 <IncludeCode>BL.EC.Common</IncludeCode>
 <ProcedureBlock>1</ProcedureBlock>
-<Super>%SOAP.WebService</Super>
+<Super>WS.WebService</Super>
 <ClassDefinitionError>0</ClassDefinitionError>
 
+<Parameter name="XMLIGNORENULL">
+<Default>0</Default>
+</Parameter>
+
 <Parameter name="SERVICENAME">
 <Description>
 Name of the WebService.</Description>