Index: trunk/BNC/bncmodel.cpp
===================================================================
--- trunk/BNC/bncmodel.cpp	(revision 3377)
+++ trunk/BNC/bncmodel.cpp	(revision 3378)
@@ -1372,4 +1372,10 @@
             return failure;
           }
+          else {
+            if (nNeglected == 0) {
+              delete _epoData_sav;
+              _epoData_sav = new t_epoData(*epoData);
+            }
+          }
         }
         else {