Hi Chris, Chris Marusich skribis: > $ sudo ./pre-inst-env guix system --fallback reconfigure ~/config.scm [...] > In unknown file: > 0 (scm-error misc-error #f "~A ~S" ("no code for modu…" …) …) > > ERROR: In procedure scm-error: > no code for module (gcrypt hash) As others wrote, this looks like an environment issue. Try: sudo -E ./pre-inst-env guix system … so that your user’s GUILE_LOAD_PATH and GUILE_LOAD_COMPILED_PATH are preserved. HTH, Ludo’.