Index: lib/MsgUtils/src/format.cpp
===================================================================
diff -u -rcfc0df719cb5033078d0cac45ce0f6243810f2e7 -rfa691c15183dfe8596de699ef8c3a7fcdb90edab
--- lib/MsgUtils/src/format.cpp	(.../format.cpp)	(revision cfc0df719cb5033078d0cac45ce0f6243810f2e7)
+++ lib/MsgUtils/src/format.cpp	(.../format.cpp)	(revision fa691c15183dfe8596de699ef8c3a7fcdb90edab)
@@ -78,7 +78,13 @@
 {
     QByteArray mData;
 
-    switch (static_cast<QMetaType::Type>(vData.type())) {
+    switch (static_cast<QMetaType::Type>(
+#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
+        vData.typeId()
+#else
+        vData.type()
+#endif
+    )) {
     case QMetaType::QString:            // string
     {
         mData += vData.toByteArray();