When I was playing Minecraft I built a giant house with all sorts of blocks. When I logged out to the Menu screen came back to my world and no thing I built was there it is affecting a lot of people and I know that. The point of Minecraft is to build so please fix that major bug.
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Duplicate of MCPE-1217, please use the search function to see if your bug has already been submitted. Currently over 54% of tickets are being closed as duplicate.