From 114b612aaa0bd9585e56c128f889b5c3d354ff37 Mon Sep 17 00:00:00 2001
From: Timo Koch <timo.koch@iws.uni-stuttgart.de>
Date: Tue, 21 May 2019 18:23:45 +0200
Subject: [PATCH] [io][gridmanager] Improve error message if grid manager not
 found

---
 dumux/io/grid/gridmanager_base.hh | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/dumux/io/grid/gridmanager_base.hh b/dumux/io/grid/gridmanager_base.hh
index e58e139212..68eba3cf28 100644
--- a/dumux/io/grid/gridmanager_base.hh
+++ b/dumux/io/grid/gridmanager_base.hh
@@ -73,7 +73,9 @@ public:
     void init(const std::string& modelParamGroup = "")
     {
         DUNE_THROW(Dune::NotImplemented,
-            "The GridManager for grid type " << Dune::className<Grid>() << " is not implemented! Consider providing your own GridManager.");
+                    "The header with the GridManager specialization for grid type " << Dune::className<Grid>()
+                    << " is not included or no specialization has been implemented!"
+                    << " In case of the latter, consider providing your own GridManager.");
     }
 
     /*!
-- 
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