From: bangerth <bangerth@0785d39b-7218-0410-832d-ea1e28bc413d>
Date: Tue, 21 Jan 2014 07:34:12 +0000 (+0000)
Subject: Improve error message.
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ee088c6394e23163efa3f7fb791ca035d65e753d;p=dealii-svn.git

Improve error message.

git-svn-id: https://svn.dealii.org/trunk@32274 0785d39b-7218-0410-832d-ea1e28bc413d
---

diff --git a/deal.II/source/grid/tria.cc b/deal.II/source/grid/tria.cc
index 9dc8aa8edf..1795ace4fe 100644
--- a/deal.II/source/grid/tria.cc
+++ b/deal.II/source/grid/tria.cc
@@ -9467,7 +9467,9 @@ Triangulation (const Triangulation<dim, spacedim> &other)
   check_for_distorted_cells(other.check_for_distorted_cells),
   vertex_to_boundary_id_map_1d (0)
 {
-  Assert (false, ExcInternalError());
+  Assert (false, ExcMessage ("You are not allowed to call this constructor "
+                             "because copying Triangulation objects is not "
+                             "allowed. Use Triangulation::copy_from() instead."));
 }