Index: trunk/Mars/mbase/MLog.cc
===================================================================
--- trunk/Mars/mbase/MLog.cc	(revision 12925)
+++ trunk/Mars/mbase/MLog.cc	(revision 12926)
@@ -834,4 +834,9 @@
         level=kInfo+2;
 
+    // This is a really stupid hack/workaround to suppress these
+    // annoying errors in case of 0 number of points
+    if (level==kError && !strcmp(location, "TGraphPainter::PaintGraph"))
+        level=kInfo+2;
+
     gLog << std::flush;