--- a/src/RelpipeChartMainWindow.cpp Tue Oct 20 23:48:51 2020 +0200 +++ b/src/RelpipeChartMainWindow.cpp Fri Oct 23 12:10:45 2020 +0200 @@ -19,6 +19,7 @@ #include <QPushButton> #include <QTableView> #include <QAction> +#include <QHeaderView> #include "RelpipeChartMainWindow.h"