Fix for 17862

diff --git a/src/GraphBase/DataFlowBase_XmlHandler.cxx b/src/GraphBase/DataFlowBase_XmlHandler.cxx
index 6a7448aa60c45c0ceb8eaa6b8110a774c02d42a2..3eccd79bb9f6bb4d69556db77903720f2131024c 100644 (file)
--- a/src/GraphBase/DataFlowBase_XmlHandler.cxx
+++ b/src/GraphBase/DataFlowBase_XmlHandler.cxx
@@ -1139,7 +1139,7 @@ bool GraphBase::XmlHandler::endElement( const QString&,
               aPythonFunction[ ll ] = fieldvalue[depth].c_str() ;
            }
             else {
-              aPythonFunction[ ll ] = NULLSTRING ;
+              aPythonFunction[ ll ] = CORBA::String_var("") ;
            }
             if ( ll ) {
               aNode.theListOfPythonFunctions.resize( l ) ;