First time I've been on since the Nether update and following updates. Latest PS4 firmware and Minecraft version as of 2020-07-24.

 The game appears to not be able to allow a specific local player to load into a specific map (Map A). For context:

• Game / Map A is in my Playstation user's account on the PS4.
• Second player joins via signing into PS4 with their PSN account (stored locally on the PS4) and hitting `Options` as per usual.
• Historically this has been fine. Second player plays regularly with me (we don't actually play separately)

New behaviour:

• My local player loads fine.
• Second player joining Map A locally as above results in game hanging at `Building Terrain` screen
• My player continues to play fine.
• Their avatar renders in the world but cannot be hit and mobs ignore them. They're listed in the currently playing screen.

Things we've tried:

• Using the second controller signed in as "Guest" on the PS4 works on the Map A The game renders fine and the second player can join. Only this person's PSN account seems to be affected.
• When using their PSN account the second player may join other worlds including one existing before the recent updates. It is only Map A that appears to be affected.
• We thought it might be something in their inventory causing a bug so we enabled cheats and my user attempted to use the `/clear` and `/kill` commands but received an error message stating the target was not on the map despite being listed in the pause menu.
• Sleeping in a bed doesn't work. My avatar interacts with the bed fine but the time skip doesn't occur, indicating that the other account is required to sleep as well.
• Uninstalling / reinstalling the game.

I've searched online and it appears to be different to the recent Mojang Screen bug. Is this bug already registered and is there a workaround? Otherwise happy to wait it out if Mojang know about this and are planning a fix.