Index: trunk/psModules/src/concepts/pmConceptsRead.c
===================================================================
--- trunk/psModules/src/concepts/pmConceptsRead.c	(revision 20598)
+++ trunk/psModules/src/concepts/pmConceptsRead.c	(revision 20599)
@@ -287,6 +287,6 @@
                     }
                     // if (!headerItem) {
-                    // psWarning("Unable to find concept %s claimed to be in header as %s", name, conceptItem->data.str);
-                    // }
+		    // psWarning("Unable to find concept %s claimed to be in header as %s", name, conceptItem->data.str);
+		    // }
                     psMemIncrRefCounter(headerItem);
                 }
@@ -322,4 +322,9 @@
                 if (hduLow->header) {
                     headerItem = psMetadataLookup(hduLow->header, keywords);
+		    if (!strcmp (keywords, "GAIN")) {
+		      if (!headerItem) {
+			psWarning ("Failed to find to get gain for a cell");
+		      }
+		    }
                 }
                 if (!headerItem && hduHigh != hduLow && hduHigh->header) {