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GeoModelCore/GeoModelKernel/GeoModelKernel/GeoSerialTransformer.h

@@ -57,7 +57,7 @@ class GeoSerialTransformer : public GeoGraphNode
   std::unique_ptr<const GeoXF::Function> m_function{};
 
   //	The physical volume to be multiply placed.
-  GeoPVConstLink m_physVol{};
+  GeoIntrusivePtr<const GeoVFullPhysVol> m_physVol{};
 };
 
 #endif