Error detected while processing function <SNR>25_JSHint:

[jaeseok-park]

When I open a javascript file, the below error messages are displayed.

Error detected while processing function <SNR>25_JSHint:
line   84:
E927: Invalid action: ''

Could you fix it, please?

[jaeseok-park]

My Vi version is as below:

VIM - Vi IMproved 7.4 (2013 Aug 10, compiled Jun 30 2016 15:55:52)
MacOS X (unix) version
Included patches: 1-1967
Compiled by Homebrew
Huge version without GUI.  Features included (+) or not (-):
+acl             +farsi           +mouse_netterm   +tag_binary
+arabic          +file_in_path    +mouse_sgr       +tag_old_static
+autocmd         +find_in_path    -mouse_sysmouse  -tag_any_white
-balloon_eval    +float           +mouse_urxvt     -tcl
-browse          +folding         +mouse_xterm     +termguicolors
++builtin_terms  -footer          +multi_byte      +terminfo
+byte_offset     +fork()          +multi_lang      +termresponse
+channel         -gettext         -mzscheme        +textobjects
+cindent         -hangul_input    +netbeans_intg   +timers
-clientserver    +iconv           +packages        +title
+clipboard       +insert_expand   +path_extra      -toolbar
+cmdline_compl   +job             +perl            +user_commands
+cmdline_hist    +jumplist        +persistent_undo +vertsplit
+cmdline_info    +keymap          +postscript      +virtualedit
+comments        +langmap         +printer         +visual
+conceal         +libcall         +profile         +visualextra
+cryptv          +linebreak       +python          +viminfo
+cscope          +lispindent      -python3         +vreplace
+cursorbind      +listcmds        +quickfix        +wildignore
+cursorshape     +localmap        +reltime         +wildmenu
+dialog_con      -lua             +rightleft       +windows
+diff            +menu            +ruby            +writebackup
+digraphs        +mksession       +scrollbind      -X11
-dnd             +modify_fname    +signs           -xfontset
-ebcdic          +mouse           +smartindent     -xim
+emacs_tags      -mouseshape      +startuptime     -xsmp
+eval            +mouse_dec       +statusline      -xterm_clipboard
+ex_extra        -mouse_gpm       -sun_workshop    -xterm_save
+extra_search    -mouse_jsbterm   +syntax          -xpm
   system vimrc file: "$VIM/vimrc"
     user vimrc file: "$HOME/.vimrc"
 2nd user vimrc file: "~/.vim/vimrc"
      user exrc file: "$HOME/.exrc"
  fall-back for $VIM: "/usr/local/share/vim"
Compilation: clang -c -I. -Iproto -DHAVE_CONFIG_H   -DMACOS_X_UNIX  -g -O2 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=1
Linking: clang   -L. -fstack-protector -L/usr/local/lib -L/usr/local/opt/libyaml/lib -L/usr/local/opt/openssl/lib -L/usr/local/opt/readline/lib  -L/usr/local/lib -o vim        -lncurses -liconv -framework Cocoa   -mmacosx-version-min=10.10 -fstack-protector-strong -L/usr/local/lib  -L/usr/local/Cellar/perl/5.24.0_1/lib/perl5/5.24.0/darwin-thread-multi-2level/CORE -lperl -lm -lutil -lc -F/usr/local/Cellar/python/2.7.12/Frameworks -framework Python   -lruby.2.3.0 -lobjc -L/usr/local/Cellar/ruby/2.3.1/lib