[ntuple] Fix error message for projected subfield

mdessole · Nov 27, 2024 · 5b49a0f · 5b49a0f
1 parent e502d65
commit 5b49a0f
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/tree/ntuple/v7/src/RNTupleModel.cxx b/tree/ntuple/v7/src/RNTupleModel.cxx
@@ -392,7 +392,7 @@ ROOT::Experimental::RNTupleModel::AddProjectedField(std::unique_ptr<RFieldBase>
    for (const auto &subField : *field) {
       sourceField = FindField(mapping(subField.GetQualifiedFieldName()));
       if (!sourceField)
-         return R__FAIL("no such field: " + mapping(fieldName));
+         return R__FAIL("no such field: " + mapping(subField.GetQualifiedFieldName()));
       fieldMap[&subField] = sourceField;
    }