A realm I own had expired so I downloaded the world local to my PS4 to keep playing. I have since renewed my subscription to the realm but I am now no longer able to upload this or any other world to the realm. 

I have tried logging out of my Microsoft account and logging back in, I have deleted Minecraft from my PS4 and redownloaded it, I have closed the realm and reopened it, I have tried uploading other smaller worlds, I have tried going to an older backup and not a single thing has worked. I have even tried the exact same things on my new PS5 as I have transferred my save data across and am still using the same PSN and Microsoft account and it still does not work.

The most recent back up on the realm is on 8th February 2021 when I renewed the realm three days after the realm expired.  I can not go back to this backup or even play on the realm anymore and haven't been able to since that date. I have made multiple attempts every week since but nothing will work. Whenever I upload the world to my realm the 'Export in Progress' bar goes full after a minute, I get a notification saying 'Level export finished successfully' and then an error message appears saying 'Failed to find a place to upload your world. Maybe check your internet connection?'. Not a single thing I have has worked and paying for a completely service is not something I intend to do.