Index: trunk/psphot/src/psphotImageQuality.c
===================================================================
--- trunk/psphot/src/psphotImageQuality.c	(revision 20464)
+++ trunk/psphot/src/psphotImageQuality.c	(revision 20470)
@@ -79,7 +79,6 @@
 
     if (num == 0) {
-        psError(PSPHOT_ERR_PHOTOM, false,
-                "Unable to find sources from which to measure image quality");
-        return false;
+      psWarning("Unable to find sources from which to measure image quality");
+      return false;
     }