"Spellchecking can not be enabled" error logged when disabling spell checking

#include <QApplication>
#include <QWebEngineProfile>

int main(int argc, char *argv[]) {
    QApplication app(argc, argv);
    QWebEngineProfile::defaultProfile()->setSpellCheckEnabled(false);
    return app.exec();
}

QT += core webenginewidgets
SOURCES = dict.cpp

The following paths were searched for Qt WebEngine dictionaries:
  [folder to binary]/qtwebengine_dictionaries
  /usr/share/qt6/qtwebengine_dictionaries
but could not find it.
You may override the default search path by using QTWEBENGINE_DICTIONARIES_PATH environment variable.
Spellchecking can not be enabled.