Avalanche LR: Apple Photos –> LRC = corrupted metadata

I've been trying to migrate my Apple Photos library to LRC. I'm excited to use this tool, but have been having a few issues. Wondering if someone else has tips or has encountered something similar.

The latest issue is that after converting, some of the metadata is winding up duplicated onto completely different images (different dates, filenames, etc.).

I've replicated this several times, and can't think of a workaround for this one.