Index: /trunk/ppStack/src/ppStack.c
===================================================================
--- /trunk/ppStack/src/ppStack.c	(revision 15393)
+++ /trunk/ppStack/src/ppStack.c	(revision 15394)
@@ -44,5 +44,5 @@
     if (!ppStackLoop(config)) {
         psErrorStackPrint(stderr, "Error performing combination.\n");
-        exitValue = PS_EXIT_PROG_ERROR;
+        exitValue = PS_EXIT_DATA_ERROR;
         goto die;
     }