Hi no1cleaner,
Thank you so much for your post and my apologies for the late response. In such situations, it is advisable to close your web browser and clear its cache. Some users have also reported success by restarting the software and attempting to submit the return again. If you have already tried both of these methods and are still experiencing the issue, please inform us so that we can conduct a more thorough investigation: clear the browser cache.
Feel free to post again if you have further queries and one of us will be happy to help!
Regards,
Earl