(repl-version 0 1 1)
Generating package cache for '/gnu/store/dq39339yvqm10n6q6rjsb8vci9wvgqhp-profile'...

Backtrace:
In guix/repl.scm:
    141:4 19 (machine-repl _ _)
    126:7 18 (_)
In ice-9/boot-9.scm:
  1747:15 17 (with-exception-handler #<procedure 7ffff34f44e0 at ic?> ?)
  1752:10 16 (with-exception-handler _ _ #:unwind? _ # _)
In guix/repl.scm:
    99:21 15 (_)
In unknown file:
          14 (_ #<procedure 7ffff3516f00 at guix/repl.scm:100:25 ()> ?)
          13 (primitive-load "/gnu/store/kq6nkj0n33hnvnnim3nzwn4jjga?")
In ice-9/boot-9.scm:
  1752:10 12 (with-exception-handler _ _ #:unwind? _ # _)
In gnu/packages.scm:
   438:11 11 (generate-package-cache _)
In srfi/srfi-1.scm:
   460:18 10 (fold #<procedure expand-cache expr> _ _)
In guix/packages.scm:
   537:21  9 (expand-cache . _)
  1279:17  8 (supported-package? #<package discord@0.0.18 discord.s?> ?)
In guix/memoization.scm:
    101:0  7 (_ #<hash-table 7fffdcee87a0 7220/14051> #<package dis?> ?)
In guix/packages.scm:
  1257:37  6 (_)
  1517:16  5 (package->bag _ _ _ #:graft? _)
  1618:48  4 (thunk)
In discord.scm:
    67:31  3 (inputs #<package discord@0.0.18 discord.scm:26 7fffe37?>)
In ice-9/boot-9.scm:
  1685:16  2 (raise-exception _ #:continuable? _)
  1780:13  1 (_ #<&compound-exception components: (#<&undefined-vari?>)
In unknown file:
           0 (backtrace #<undefined>)

(exception unbound-variable (value #f) (value "Unbound variable: ~S") (value (nss)) (value #f))