From: Daniel Arndt <arndtd@ornl.gov>
Date: Thu, 30 Jul 2020 12:48:27 +0000 (-0400)
Subject: Improve DataOutDoFData error message ExcInvalidVectorSize
X-Git-Tag: v9.3.0-rc1~1240^2
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=fd3c85a343b122ff0c2f4c8ff6cb969afbdc4a78;p=dealii.git

Improve DataOutDoFData error message ExcInvalidVectorSize
---

diff --git a/include/deal.II/numerics/data_out_dof_data.h b/include/deal.II/numerics/data_out_dof_data.h
index 8630f7664b..c326b475fa 100644
--- a/include/deal.II/numerics/data_out_dof_data.h
+++ b/include/deal.II/numerics/data_out_dof_data.h
@@ -87,8 +87,10 @@ namespace Exceptions
                    << " but the DoFHandler object says that there are " << arg2
                    << " degrees of freedom and there are " << arg3
                    << " active cells. The size of your vector needs to be"
-                   << " either equal to the number of degrees of freedom, or"
-                   << " equal to the number of active cells.");
+                   << " either equal to the number of degrees of freedom (when"
+                   << " the data is of type type_dof_data), or equal to the"
+                   << " number of active cells (when the data is of type "
+                   << " type_cell_data).");
     /**
      * Exception
      */