From afc4f17980284fd720c31c642912bd8566ac80c9 Mon Sep 17 00:00:00 2001
From: Christophe Geuzaine <cgeuzaine@uliege.be>
Date: Thu, 3 Feb 2022 11:03:08 +0100
Subject: [PATCH] fix for #1746

---
 src/mesh/Field.cpp | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/mesh/Field.cpp b/src/mesh/Field.cpp
index ec14bde8c7..bdd56974c9 100644
--- a/src/mesh/Field.cpp
+++ b/src/mesh/Field.cpp
@@ -997,7 +997,9 @@ public:
           id += f[i + 1 + j];
           j++;
         }
-        _fields.insert(atoi(id.c_str()));
+        if(id.size() > 0) {
+          _fields.insert(atoi(id.c_str()));
+        }
       }
       i += j + 1;
     }
@@ -1035,7 +1037,7 @@ public:
         values[i++] = (*field)(x, y, z);
       }
       else {
-        Msg::Warning("Unknown Field %i", *it);
+        Msg::Warning("Unknown Field %i in MathEval", *it);
         values[i++] = MAX_LC;
       }
     }
-- 
GitLab