Index: svn/Helper.cls.xml
===================================================================
diff -u -r1516 -r1523
--- svn/Helper.cls.xml	(.../Helper.cls.xml)	(revision 1516)
+++ svn/Helper.cls.xml	(.../Helper.cls.xml)	(revision 1523)
@@ -441,6 +441,7 @@
 <ProcedureBlock>0</ProcedureBlock>
 <Implementation><![CDATA[
 	kill mdErrors
+	set mdErrors=""
 	do $system.OBJ.CompileList(.mdSources,CompileFlags,.mdErrors)
  	set idxError = ""
 	for { set idxError = $order(mdErrors(idxError)) quit:idxError=""