Index: /tags/ipp-20111222/psphot/src/psphotReadout.c
===================================================================
--- /tags/ipp-20111222/psphot/src/psphotReadout.c	(revision 33091)
+++ /tags/ipp-20111222/psphot/src/psphotReadout.c	(revision 33092)
@@ -133,5 +133,9 @@
     // Construct an initial model for each object, set the radius to fitRadius, set circular
     // fit mask.  NOTE: only applied to sources without guess models
-    psphotGuessModels (config, view, filerule); // pass 1
+    // pass 1
+    if (!psphotGuessModels (config, view, filerule)) {
+        psLogMsg ("psphot", 3, "failure to Guess Model - pass 1");
+        return psphotReadoutCleanup (config, view, filerule);
+    }
 
     // linear PSF fit to source peaks, subtract the models from the image (in PSF mask)