From 75837908513565a63ae9d231c22621900ee7505a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?St=C3=A9phane=20Adjemian=20=28Ry=C3=BBk=29?=
 <stepan@adjemian.eu>
Date: Thu, 9 Mar 2023 11:25:04 +0100
Subject: [PATCH] Improve error message.

---
 matlab/backward/simul_backward_nonlinear_model_.m | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/matlab/backward/simul_backward_nonlinear_model_.m b/matlab/backward/simul_backward_nonlinear_model_.m
index c369d5d16..024b8f173 100644
--- a/matlab/backward/simul_backward_nonlinear_model_.m
+++ b/matlab/backward/simul_backward_nonlinear_model_.m
@@ -99,7 +99,7 @@ for it = initialconditions.nobs+(1:samplesize)
                 error('Nonlinear solver routine failed with errorcode=%i in period %i.', errorcode, it)
             end
         end
-    catch
+    catch Error
         DynareOutput.endo_simul = DynareOutput.endo_simul(:, 1:it-1);
         dprintf('Newton failed on iteration i = %s.', num2str(it-initialconditions.nobs));
         ytm = DynareOutput.endo_simul(:,end);
@@ -161,6 +161,10 @@ for it = initialconditions.nobs+(1:samplesize)
             display_names_of_problematic_equations(DynareModel, eqtags, residuals_evaluating_to_complex);
             skipline()
         end
+        dprintf('Newton failed in period %s with the following error message:', char(initialconditions.lastdate+(it-initialconditions.nobs)));
+        skipline()
+        dprintf('\t %s', Error.message);
+        skipline()
         break
         % TODO Implement same checks with the jacobian matrix.
         % TODO Modify other solvers to return an exitflag.