First - a warning.  It is way too early to transfer all clients over.  The software is just NOT ready for prime-time.  I transfer over a handful to use for projections, only.

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Close 2024 & then re-open it (if you haven't).   That can trigger the roll-over.

Double check your data path, that's usually the problem. Especially if you are networked.  Start the proforma process again, and take careful note of where the files are being sent.