Index: trunk/psModules/src/concepts/pmConceptsStandard.c
===================================================================
--- trunk/psModules/src/concepts/pmConceptsStandard.c	(revision 15770)
+++ trunk/psModules/src/concepts/pmConceptsStandard.c	(revision 16646)
@@ -526,5 +526,6 @@
     psString sys = concept->data.V;     // The time system string
     if (concept->type != PS_DATA_STRING || strlen(sys) <= 0) {
-        psError(PS_ERR_UNKNOWN, true, "Can't interpret %s --- assuming UTC.\n", pattern->name);
+	// XXX is this too low verbosity?
+	psLogMsg ("psModules.concepts", PS_LOG_DETAIL, "Can't interpret %s --- assuming UTC.\n", pattern->name);
     } else if (strcasecmp(sys, "TAI") == 0) {
         timeSys = PS_TIME_TAI;
@@ -536,5 +537,6 @@
         timeSys = PS_TIME_TT;
     } else {
-        psError(PS_ERR_UNKNOWN, true, "Can't interpret %s --- assuming UTC.\n", pattern->name);
+	// XXX is this too low verbosity?
+	psLogMsg ("psModules.concepts", PS_LOG_DETAIL, "Can't interpret %s --- assuming UTC.\n", pattern->name);
     }