Current flycheck gives a wrong-type-argument error about flycheck HOT 6 CLOSED

Debugger entered--Lisp error: (wrong-type-argument integerp nil)
  s-match("^\\(?1:.*\\):\\(?2:[0-9]+\\): \\(?4:.*\\)" "../../../../.emacs.d/site-lisp/flycheck/flycheck.el:1333: Probably \"goes\" should be imperative \"go\"")
  flycheck-try-parse-error-with-pattern("../../../../.emacs.d/site-lisp/flycheck/flycheck.el:1333: Probably \"goes\" should be imperative \"go\"" ("^\\(?1:.*\\):\\(?2:[0-9]+\\): \\(?4:.*\\)" warning))
  flycheck-parse-error-with-patterns("../../../../.emacs.d/site-lisp/flycheck/flycheck.el:1333: Probably \"goes\" should be imperative \"go\"" (("^\\(?1:.*\\):\\(?2:[0-9]+\\): \\(?4:.*\\)" warning)))
  #[(it) "\302� \"\207" [it patterns flycheck-parse-error-with-patterns] 3]("../../../../.emacs.d/site-lisp/flycheck/flycheck.el:1333: Probably \"goes\" should be imperative \"go\"")
  mapcar(#[(it) "\302�  \"\207" [it patterns flycheck-parse-error-with-patterns] 3] ("../../../../.emacs.d/site-lisp/flycheck/flycheck.el:1333: Probably \"goes\" should be imperative \"go\"" "../../../../.emacs.d/site-lisp/flycheck/flycheck.el:453: Disambiguate buffer-file-name by preceding w/ function,command,variable,option or symbol."))
  flycheck-parse-errors-with-patterns(("../../../../.emacs.d/site-lisp/flycheck/flycheck.el:1333: Probably \"goes\" should be imperative \"go\"" "../../../../.emacs.d/site-lisp/flycheck/flycheck.el:453: Disambiguate buffer-file-name by preceding w/ function,command,variable,option or symbol.") (("^\\(?1:.*\\):\\(?2:[0-9]+\\): \\(?4:.*\\)" warning)))
  flycheck-parse-output-with-patterns("\n\n\f\n*** ../../../../.emacs.d/site-lisp/flycheck/flycheck.el: checkdoc-current-buffer V 0.6.1\n../../../../.emacs.d/site-lisp/flycheck/flycheck.el:453: Disambiguate buffer-file-name by preceding w/ function,command,variable,option or symbol.\n\nLoading vc-git...\n../../../../.emacs.d/site-lisp/flycheck/flycheck.el:1333: Probably \"goes\" should be imperative \"go\"" emacs-lisp-checkdoc #<buffer flycheck.el>)
  flycheck-parse-output("\n\n\f\n*** ../../../../.emacs.d/site-lisp/flycheck/flycheck.el: checkdoc-current-buffer V 0.6.1\n../../../../.emacs.d/site-lisp/flycheck/flycheck.el:453: Disambiguate buffer-file-name by preceding w/ function,command,variable,option or symbol.\n\nLoading vc-git...\n../../../../.emacs.d/site-lisp/flycheck/flycheck.el:1333: Probably \"goes\" should be imperative \"go\"" emacs-lisp-checkdoc #<buffer flycheck.el>)
  flycheck-finish-syntax-check(#<process flycheck>)
  #[nil "\301\302�!!\203\f�\303�!\207\304�!\207" [process buffer-live-p process-buffer flycheck-finish-syntax-check flycheck-post-syntax-check-cleanup] 3]()
  flycheck-handle-signal(#<process flycheck> "finished\n")