Index: /branches/eam_branches/ipp-20211108/ippconfig/recipes/ppStack.config
===================================================================
--- /branches/eam_branches/ipp-20211108/ippconfig/recipes/ppStack.config	(revision 41936)
+++ /branches/eam_branches/ipp-20211108/ippconfig/recipes/ppStack.config	(revision 41937)
@@ -18,4 +18,6 @@
 MASK.POOR	STR	CONV.POOR	# Mask value to give poor pixels
 MASK.BLANKBORDER S32    0               # Mask blank border in final stack output (may want to set KERNEL.SIZE)
+
+SKIP.MISSING.INPUTS BOOL FALSE          # If some input warp images are missing, make the stack anyway
 
 # we are in some danger of inconsistency in the definition of a 'bad' vs a 'suspect' pixel