So, as some of you may know there is a very bad error that is effecting quite a few player on Minecraft. the error is a screen that comes up every time you try to save your minecraft map, it comes up in an Xbox message out-of-game and prevents you from saving because the save device is apparently "unavailable" and so far as I've seen there is no way of fixing it which sucks because it essentially renders your map useless if you ever want to improve or keep building on it. but no one really knows what causes this error some people say it's a result of modding, which would make sense in my situation. However after exhausting every logical idea i could muster up to fix this bug I think I may have found a way to fix the problem.
First you must take you're save and copy it onto a USB Stick, than start minecraft and select your USB as your memory unit, start the broken world, once you get into the world unplug the USB , than try to save the map, and when the message pops up select your cloud storage as a device, save the game and leave to the main menu.Once on the main menu start the save that you just saved onto the cloud storage device and hopefully you can now save the map at your will.

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I Really hope this helps you guys out because i know how disappointed i was when my save got messed up, reply if it helps you so more people can find out.