From f7fe336be7d138d2209d0ffd2b521d0f3831e455 Mon Sep 17 00:00:00 2001
From: Jens Diewald <jens.diewald@scai.fraunhofer.de>
Date: Tue, 11 Jun 2024 21:24:16 +0200
Subject: [PATCH] Correctly Report Invalid Row Names

Otherwise, HiGHS may silently not write an MPS file
when it runs into invalid row names and still return kOK.
---
 src/io/HMPSIO.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/io/HMPSIO.cpp b/src/io/HMPSIO.cpp
index 69e906b66e..b6037d3624 100644
--- a/src/io/HMPSIO.cpp
+++ b/src/io/HMPSIO.cpp
@@ -564,7 +564,7 @@ HighsStatus writeModelAsMps(const HighsOptions& options,
   HighsStatus row_name_status =
       normaliseNames(options.log_options, "row", lp.num_row_, local_row_names,
                      max_row_name_length);
-  if (row_name_status == HighsStatus::kError) return col_name_status;
+  if (row_name_status == HighsStatus::kError) return row_name_status;
   warning_found = row_name_status == HighsStatus::kWarning || warning_found;
 
   HighsInt max_name_length = std::max(max_col_name_length, max_row_name_length);