A similar “internal error 222” occurs randomly on the Debian CI platform. See this log: https://ci.debian.net/data/autopkgtest/testing/amd64/c/cl-uax-15/17757334/log.gz
The problem is also mentioned in this Reddit thread, and upstream has committed a possible fix (commit f66c6e355b23), but that needs to be confirmed: https://www.reddit.com/r/lisp/comments/rmbq0f/sbcl_2111_gives_internal_error_222_nil_argsnil/ -- ⢀⣴⠾⠻⢶⣦⠀ Sébastien Villemot ⣾⠁⢠⠒⠀⣿⡁ Debian Developer ⢿⡄⠘⠷⠚⠋⠀ https://sebastien.villemot.name ⠈⠳⣄⠀⠀⠀⠀ https://www.debian.org
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