It is stating there is an "Error -9" in my account . And now I can't access the marketplace until it's fixed

the same thing happened to me

Same here - along with a lot of other errors

Im on android though

Thank you for your report!
We're actually already tracking this issue at MCPE-62421, so I will resolve and link this ticket as a duplicate.

If you would like to add a vote and any extra information to the main ticket it would be appreciated.

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