There is a bug present in Pro Tools versions older than 2022, when being run on macOS Monterey or above.
This is triggered by performance code in current releases of VocAlign Ultra and VocAlign Project 5 when capturing a Dub, and results in a crash.
Updating Pro Tools to a newer version officially compatible with macOS Monterey will resolve the crashes.
VocAlign crashes when capturing a Dub in Pro Tools
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