Index: trunk/ippTools/src/guidetool.c
===================================================================
--- trunk/ippTools/src/guidetool.c	(revision 7036)
+++ trunk/ippTools/src/guidetool.c	(revision 7038)
@@ -82,4 +82,9 @@
     );
 
+    if (!rawScienceExps) {
+        psError(PS_ERR_UNKNOWN, false, "no rawScienceExp rows found");
+        return true;
+    }
+
     // insert the rawScienceExps into p1PendingExp
     // XXX for the being we're going to skip checking for duplicate entries