Index: trunk/ippTools/src/stacktool.c
===================================================================
--- trunk/ippTools/src/stacktool.c	(revision 12054)
+++ trunk/ippTools/src/stacktool.c	(revision 12093)
@@ -367,5 +367,5 @@
     }
     if (!psArrayLength(output)) {
-        psError(PS_ERR_UNKNOWN, false, "no stackInputSkyfile rows found");
+        psTrace("stacktool", PS_LOG_INFO, "no rows found");
         psFree(output);
         return true;
@@ -455,5 +455,5 @@
     }
     if (!psArrayLength(output)) {
-        psError(PS_ERR_UNKNOWN, false, "no stackSumSkyfile rows found");
+        psTrace("stacktool", PS_LOG_INFO, "no rows found");
         psFree(output);
         return true;
@@ -620,5 +620,5 @@
     }
     if (!psArrayLength(output)) {
-        psError(PS_ERR_UNKNOWN, false, "no warpSkyfile rows found");
+        psTrace("stacktool", PS_LOG_INFO, "no rows found");
         psFree(output);
         return true;