Index: mttroot/mtt/lib/cc/mtt_Hybrd_Solver.cc
==================================================================
--- mttroot/mtt/lib/cc/mtt_Hybrd_Solver.cc
+++ mttroot/mtt/lib/cc/mtt_Hybrd_Solver.cc
@@ -25,11 +25,11 @@
   static int limit_errors;
   static int unknown_errors;
   
   NLFunc fcn(&Hybrd_Solver::f_hybrd);
   NLEqn	 eqn(Solver::_ui,fcn);
-  eqn.set_tolerance(1.0e-20);
+  //  eqn.set_tolerance(1.0e-20);
   Solver::_ui = eqn.solve(info);
 
   switch (info)
     {
     case 1: