Your question here is totally irrelevant to your original question. If you want users to change the language that they want, you could add the language field in the profile types custom field settings.
You are most welcome. Glad to hear that your issue has been resolved now.
As a gentle reminder, kindly start a new thread if you have any other issue in the future so it will be easier for us to manage your inquiry. I will lock and mark this thread as resolved.