--- FreeCAD-0.21.2/src/Gui/PreferencePackManager.cpp.orig	2024-08-04 16:13:24.378811087 +0200
+++ FreeCAD-0.21.2/src/Gui/PreferencePackManager.cpp	2024-08-04 16:24:11.532521492 +0200
@@ -44,7 +44,6 @@
 
 #include <ctime> // For generating a timestamped filename
 
-
 using namespace Gui;
 using namespace xercesc;
 namespace fs = boost::filesystem;
@@ -221,7 +220,7 @@
     auto savedPreferencePacksDirectory =
         fs::path(App::Application::getUserAppDataDir()) / "SavedPreferencePacks";
     auto cfgFilename = savedPreferencePacksDirectory / packName / (packName + ".cfg");
-    fs::copy_file(path, cfgFilename, fs::copy_option::overwrite_if_exists);
+    fs::copy_file(path, cfgFilename, fs::copy_options::overwrite_existing);
     rescan();
 }