MainStage 3.4.4 won't open my concerts anymore

Anyone had this issue and know of any solution? I'm getting this all of a sudden with most of my MainStage files, even concerts that were created very recently. I select Open but it won’t load any of my files anymore.

I'm on version 3.4.4.

Here's the message I get when I select Open:

MacBook Pro 15″, OS X 10.11

Posted on Jul 13, 2021 5:26 PM

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MainStage 3.4.4 won't open my concerts anymore

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