diff -Naur XQilla-2.2.3.orig/src/schema/SchemaValidatorFilter.cpp XQilla-2.2.3/src/schema/SchemaValidatorFilter.cpp
--- XQilla-2.2.3.orig/src/schema/SchemaValidatorFilter.cpp	2010-02-26 08:11:53.899266592 +0100
+++ XQilla-2.2.3/src/schema/SchemaValidatorFilter.cpp	2010-02-26 08:43:08.309105237 +0100
@@ -710,7 +710,7 @@
 
   if(prefixColonPos == -1) {
     bool unknown = false;
-    return fElemStack.mapPrefixToURI(XMLUni::fgZeroLenString, (ElemStack::MapModes) mode, unknown);
+    return fElemStack.mapPrefixToURI(XMLUni::fgZeroLenString, unknown);
   }
   else {
     prefixBuf.set(qName, prefixColonPos);
@@ -726,7 +726,7 @@
     }
     else {
       bool unknown = false;
-      unsigned int uriId = fElemStack.mapPrefixToURI(prefixBuf.getRawBuffer(), (ElemStack::MapModes) mode, unknown);
+      unsigned int uriId = fElemStack.mapPrefixToURI(prefixBuf.getRawBuffer(), unknown);
 
       if(unknown)
         emitError(XMLErrs::UnknownPrefix, prefixBuf.getRawBuffer());