I bought the Norse mythology mash up pack yesterday, since then it has refused to download. The progress bar will even disappear when I tap on it. All it will have is a text box that says it’s downloading. I signed into Xbox live to see if it would help, but it didn’t work.
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Thank you for your report!
We're actually already tracking this issue at MCPE-37467, so we will resolve and link this ticket as a duplicate.
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