From 95aa1f92b91de619f549d1cb4d142718d5e2ab34 Mon Sep 17 00:00:00 2001
From: eap <eap@opencascade.com>
Date: Fri, 8 Nov 2019 16:58:10 +0300
Subject: [PATCH] #17956 [CEA 17925] COMPERR_OCC_EXCEPTION

---
 src/SMESH/SMESH_MeshEditor.cxx | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/SMESH/SMESH_MeshEditor.cxx b/src/SMESH/SMESH_MeshEditor.cxx
index 01e5f628a..0673fc64e 100644
--- a/src/SMESH/SMESH_MeshEditor.cxx
+++ b/src/SMESH/SMESH_MeshEditor.cxx
@@ -7478,6 +7478,8 @@ void SMESH_MeshEditor::FindEqualElements( TIDSortedElemSet &        theElements,
   while ( elemIt->more() )
   {
     const SMDS_MeshElement* curElem = elemIt->next();
+    if ( curElem->IsNull() )
+      continue;
     ComparableElement      compElem = curElem;
     // check uniqueness
     const ComparableElement& elemInSet = mapOfElements.Added( compElem );