Minecraft Dungeons won't start

Hi, I've bought Minecraft Dungeons Standart Edition for Windows 10 on 02/19/2021 and it still doesn't let me play! There's an image here that shows the error. Why won't it let me play?
2021-02-21, 12:13 PM
2021-02-21, 11:23 PM
2021-02-21, 11:23 PM
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