Completion ends in error through enh-ruby-add-log-current-method

[stardiviner]

Debugger entered--Lisp error: (wrong-type-argument integer-or-marker-p nil)
  enh-ruby-up-sexp()
  enh-ruby-add-log-current-method()
  robe-context()
  robe-call-context()
  robe-complete-thing("arg")
  completion-pcm--all-completions("" ("arg" point)
  completion-basic-all-completions("arg"
  completion--some(
  completion--nth-completion(2 "arg"
  completion-all-completions("arg"
  company-capf(candidates "arg")
  company--multi-backend-adapter-candidates((company-capf company-yasnippet) "arg" nil)
  company--multi-backend-adapter((company-capf :with company-yasnippet) candidates "arg")
  apply(company--multi-backend-adapter (company-capf :with company-yasnippet) (candidates "arg"))
  company-call-backend-raw(candidates "arg")
  company--fetch-candidates("arg")
  company-calculate-candidates("arg")
  company--begin-new()
  company--perform()
  company-auto-begin()
  company-idle-begin(#<buffer test.rb> #<window 30 on My Clojure Language Syntax Reference.org> 540 98)
  apply(company-idle-begin (#<buffer test.rb> #<window 30 on My Clojure Language Syntax Reference.org> 540 98))
  timer-event-handler([t 22818 50552 694303 nil company-idle-begin (#<buffer test.rb> #<window 30 on My Clojure Language Syntax Reference.org> 540 98) nil 545000])

Debugger entered--Lisp error: (wrong-type-argument integer-or-marker-p nil)
  enh-ruby-up-sexp()
  enh-ruby-add-log-current-method()
  robe-context()
  robe-call-context()
  robe-eldoc()
  eldoc-print-current-symbol-info()

After minimal Emacs -q test, confirmed comes from robe.
And robe Melpa version is 20170516.1757.

[dgutov]

Please look at the backtrace carefully: it comes from enh-ruby-add-log-current-method.

[dgutov]

You can either file an issue there, or continue the discussion in zenspider/enhanced-ruby-mode#96

[stardiviner]

Oh, sorry, I thought this might robe send call to enh-ruby-add-log-current-method with wrong number arguments so caused this issue, seems I'm wrong.