Minecraft Realms down: Thousands of users report facing issues; how to solve 'not loading' error

Minecraft reportedly ran into problems on December 14, with thousands of users complaining about issues with Minecraft Realms.
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Scheduled backup crashes instance when game server is sleeping

Run the scheduled action "Shut the server down, take a backup, and start it up again" while the game server is sleeping (Minecraft Java Edition). No backup is taken and the entire AMP instance for the ...