trying to clear the context menu, but that does not work

build_menu_from_json.cpp

@@ -3,6 +3,7 @@
 #include <QJsonObject>
 #include <QMenu>
 #include "rktwebview_qt.h"
+#include "utils.h"
 
 static QAction *addMenuItemFromJson(Rktwebview_qt *owner,
                                     QMenu *menu,
@@ -87,6 +88,7 @@ QMenu *buildMenuFromJson(Rktwebview_qt *self, const QString &menu_json, int sour
     QJsonDocument doc = QJsonDocument::fromJson(menu_json.toUtf8(), &err);
 
     if (err.error != QJsonParseError::NoError || !doc.isObject()) {
+        ERROR2("Json parse error for menu: %d, '%s'\n", err.error, err.errorString().toUtf8().constData());
         return nullptr;
     }