I play minecraft bedrock on my xbox and recently all of my skins and resource packs disappeared and I cant get them back.

The same thing happened to me

Same

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I found a fix if you are having this problem go into settings>>profile, then disable auto updating for your packs. Go back into the market place click my packs in the top right and it should say download on all of your missing packs. Once you have done this make sure you enable auto updating again