Index: branches/eam_branches/20091201/psModules/src/imcombine/pmSubtractionMatch.c
===================================================================
--- branches/eam_branches/20091201/psModules/src/imcombine/pmSubtractionMatch.c	(revision 26686)
+++ branches/eam_branches/20091201/psModules/src/imcombine/pmSubtractionMatch.c	(revision 26687)
@@ -498,4 +498,5 @@
             // generate the window function from the set of stamps
             if (!pmSubtractionStampsGetWindow(stamps, size)) {
+                psError(PS_ERR_UNKNOWN, false, "Unable to get stamp window.");
                 goto MATCH_ERROR;
             }
@@ -570,4 +571,5 @@
                 // generate the window function from the set of stamps
                 if (!pmSubtractionStampsGetWindow(stamps, size)) {
+                    psError(PS_ERR_UNKNOWN, false, "Unable to get stamps window.");
                     goto MATCH_ERROR;
                 }