this seems to be an issue with your system, this is the only thing talking about it that i found, so maybe try updating your drivers if you haven't already. https://answers.microsoft.com/en-us/xbox/forum/all/exit-code-1073740791-minecraf...
wai actually that aint the same exit code but close enough ig, still it has nothing to do with the map, so sadly I can't really help you
