Index: /trunk/ppStack/src/ppStackLoop.c
===================================================================
--- /trunk/ppStack/src/ppStackLoop.c	(revision 19198)
+++ /trunk/ppStack/src/ppStackLoop.c	(revision 19199)
@@ -353,4 +353,5 @@
         psMetadataAddPtr(outChip->analysis, PS_LIST_TAIL, "PSPHOT.PSF", PS_DATA_UNKNOWN,
                          "Target PSF", targetPSF);
+        outChip->data_exists = true;
 
         if (haveSources) {