AU Hosting Compatibility Service (Mainstage)

Hello. Every time I launch Mainstage I get the attached notice. I have no idea what it is. I assume a plugin has compatibility issues but haven't found one that's a problem so far.

MacBook Air 15″, macOS 14.7

Posted on Apr 9, 2025 3:14 AM

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AU Hosting Compatibility Service (Mainstage)

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