Index: mttroot/mtt/lib/cc/mtt_AlgebraicSolver.cc
==================================================================
--- mttroot/mtt/lib/cc/mtt_AlgebraicSolver.cc
+++ mttroot/mtt/lib/cc/mtt_AlgebraicSolver.cc
@@ -11,11 +11,10 @@
     {
       _x = x;
       _uui.insert(u,0);
       _t = t;
       _par = par;
-      _ui = ColumnVector(_nyz,0.0);
       Solve();
       _uui.insert(_ui,_nu);
     }
   else
     {

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
@@ -54,11 +54,11 @@
       unknown_errors++;
       break;
     }
   if (1 != info)
     {
-      std::cerr
+      std::clog
 	<< " time " << _t << " \t"
 	<< " converge (" << convergences << ") "
 	<< " limit (" << limit_errors << ")"
 	<< " (max error = " << std::abs (eval(_ui).max()) << ")"
 	<< " other (" << input_errors + user_errors + progress_errors + unknown_errors << ") "

Index: mttroot/mtt/lib/cc/mtt_Solver.cc
==================================================================
--- mttroot/mtt/lib/cc/mtt_Solver.cc
+++ mttroot/mtt/lib/cc/mtt_Solver.cc
@@ -10,7 +10,8 @@
   _np  = npar; 
   _nu  = nu;
   _nx  = nx;
   _ny  = ny;
   _nyz = nyz;
+  _ui  = ColumnVector (_nyz,0.0);
   _uui = ColumnVector (_nu+_nyz);
 };