Lisp error: (void-function first)

[bbigras]

I just updated req-package to 20150918.39.

Debugger entered--Lisp error: (void-function first)
  first((:require async))
  req-package-args-extract-arg(:require (:require async) nil)
  (let* ((NAME (quote paradox)) (ARGS (quote (:require async))) (SPLIT1 (req-package-args-extract-arg :require ARGS nil)) (SPLIT2 (req-package-args-extract-arg :loader (car (cdr SPLIT1)) nil)) (USEPACKARGS (req-package-patch-config NAME (car (cdr SPLIT2)))) (REQS (car SPLIT1)) (LOADER (car SPLIT2))) (req-package--log-debug "package requested: %s" NAME) (-each REQS (function (lambda (req) (let* ((CURREQREV (gethash req req-package-reqs-reversed nil)) (CURRANK (gethash NAME req-package-ranks 0))) (puthash req (cons NAME CURREQREV) req-package-reqs-reversed) (puthash req (gethash req req-package-ranks 0) req-package-ranks) (puthash NAME (+ CURRANK 1) req-package-ranks))))) (puthash NAME LOADER req-package-loaders) (puthash NAME (append (req-package-gen-eval NAME) USEPACKARGS) req-package-evals) (puthash NAME (gethash NAME req-package-ranks 0) req-package-ranks) (puthash NAME (gethash NAME req-package-reqs-reversed nil) req-package-reqs-reversed))
  eval-buffer(#<buffer  *load*-55364> nil "c:/Users/bbigras/Dropbox/config emacs/.emacs" nil t)  ; Reading at buffer position 2248
  load-with-code-conversion("c:/Users/bbigras/Dropbox/config emacs/.emacs" "c:/Users/bbigras/Dropbox/config emacs/.emacs" nil nil)
  load("~/Dropbox/config emacs/.emacs")
  eval-buffer(#<buffer  *load*> nil "c:/Users/bbigras/.emacs" nil t)  ; Reading at buffer position 474
  load-with-code-conversion("c:/Users/bbigras/.emacs" "c:/Users/bbigras/.emacs" t t)
  load("~/.emacs" t t)

[bbigras]

Thanks.