--- a/copasi/plotUI/CQMarchingSquares.orig.cpp 2023-11-21 00:26:09.000000000 +0100
+++ b/copasi/plotUI/CQMarchingSquares.cpp 2023-11-24 22:04:22.224510401 +0100
@@ -4,6 +4,7 @@
// All rights reserved.
#include "CQMarchingSquares.h"
+#include <vector>
#if defined(COPASI_USE_QCUSTOMPLOT)