Index: trunk/psphot/src/psphotSourceStats.c
===================================================================
--- trunk/psphot/src/psphotSourceStats.c	(revision 11177)
+++ trunk/psphot/src/psphotSourceStats.c	(revision 11263)
@@ -11,8 +11,13 @@
     // determine properties (sky, moments) of initial sources
     float INNER    = psMetadataLookupF32 (&status, recipe, "SKY_INNER_RADIUS");
+    if (!status) return NULL;
     float OUTER    = psMetadataLookupF32 (&status, recipe, "SKY_OUTER_RADIUS");
+    if (!status) return NULL;
     float RADIUS   = psMetadataLookupF32 (&status, recipe, "PSF_MOMENTS_RADIUS");
+    if (!status) return NULL;
     float MIN_SN   = psMetadataLookupF32 (&status, recipe, "MOMENTS_SN_MIN");
+    if (!status) return NULL;
     char *breakPt  = psMetadataLookupStr (&status, recipe, "BREAK_POINT");
+    if (!status) return NULL;
 
     sources = psArrayAllocEmpty (peaks->n);