Trying out a ROM hack on Project Nested (1.4.2) w/ SNES9X - Kirby's Adventure 2

I mostly kept this recording because I wanted to note a weird, unusual crash I hit going through this ROM hack. It happens at the end of the video. I am not sure how it happened and am struggling to replicate it (It seems like there's some randomness to it, like the crashes in Renegade MMC3).
I have an input log of the crash here if that helps.

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