Be more verbose in an error message.

git-svn-id: https://svn.dealii.org/trunk@25461 0785d39b-7218-0410-832d-ea1e28bc413d

diff --git a/deal.II/source/base/data_out_base.cc b/deal.II/source/base/data_out_base.cc
index a18a1e83ccb68ef3a67cc4ac92bbc6998087f979..e367ecf4ce7cea921c821c1fbcd047ae77b6d6c5 100644 (file)
--- a/deal.II/source/base/data_out_base.cc
+++ b/deal.II/source/base/data_out_base.cc
@@ -2153,7 +2153,8 @@ parse_output_format (const std::string &format_name)
     return deal_II_intermediate;
 
   AssertThrow (false,
-               ExcMessage ("The given file format name is not recognized."));
+               ExcMessage ("The given file format name is not recognized: <"
+                           + format_name + ">"));
 
                                    // return something invalid
   return OutputFormat(-1);