--- a/locationtriggering/ltstrategyengine/src/lbtcoordinatesupervisor.cpp	Thu Aug 19 10:20:18 2010 +0300
+++ b/locationtriggering/ltstrategyengine/src/lbtcoordinatesupervisor.cpp	Tue Aug 31 15:37:04 2010 +0300
@@ -1213,8 +1213,11 @@
                 {
                 iNObservedValues.Remove( 0 );
                 }
-            iNObservedValues.Append( obsValue );
-            
+            TInt error = iNObservedValues.Append( obsValue );
+            if( error != KErrNone )
+                {
+                LOG1("Failed to append obsValue:%d",error);
+                }
             TReal num = 0.0;
             TReal den = 0.0;
             TReal obsSpeed = 0.0;