I am running into this same issue on other cl packages as well.
- bug#68764: ASDF can't load sbcl... Lars Rustand
- bug#68764: ASDF can't load... John Kehayias via Bug reports for GNU Guix
- bug#68764: ASDF can't ... rustand . lars
- bug#68764: ASDF ca... Guillaume Le Vaillant
- bug#68764: ASD... Lars Rustand
- bug#68764... Guillaume Le Vaillant
- bug#68764: ASDF can't load... Alec Barreto