Issues connecting to SQLPlus

[Tony Lagumen]

I'm having issues connecting to SQLPlus. Errors encountered;

Error detected while processing function vorax#sqlplus#Connect[2]..<SNR>84_PrepareCstr:
line    3:
E117: Unknown function: vorax#ruby#ParseConnectionString
E15: Invalid expression: vorax#ruby#ParseConnectionString(cstr)

Here are my environment details;

VIM - Vi IMproved 8.0 (2016 Sep 12, compiled May 10 2017 21:49:13)
Included patches: 1-586
Compiled by lagumen@ufc3fdb4521ef5913559e
Huge version without GUI.  Features included (+) or not (-):
+acl             +cmdline_hist    -ebcdic          -gettext         +listcmds        +mouse_sgr       +persistent_undo +smartindent     +textobjects     +wildmenu
+arabic          +cmdline_info    +emacs_tags      -hangul_input    +localmap        -mouse_sysmouse  +postscript      +startuptime     +timers          +windows
+autocmd         +comments        +eval            +iconv           -lua             +mouse_urxvt     +printer         +statusline      +title           +writebackup
-balloon_eval    +conceal         +ex_extra        +insert_expand   +menu            +mouse_xterm     +profile         -sun_workshop    -toolbar         -X11
-browse          +cryptv          +extra_search    +job             +mksession       +multi_byte      +python          +syntax          +user_commands   -xfontset
++builtin_terms  +cscope          +farsi           +jumplist        +modify_fname    +multi_lang      -python3         +tag_binary      +vertsplit       -xim
+byte_offset     +cursorbind      +file_in_path    +keymap          +mouse           -mzscheme        +quickfix        +tag_old_static  +virtualedit     -xpm
+channel         +cursorshape     +find_in_path    +lambda          -mouseshape      +netbeans_intg   +reltime         -tag_any_white   +visual          -xsmp
+cindent         +dialog_con      +float           +langmap         +mouse_dec       +num64           +rightleft       -tcl             +visualextra     -xterm_clipboard
-clientserver    +diff            +folding         +libcall         -mouse_gpm       +packages        +ruby            +termguicolors   +viminfo         -xterm_save
-clipboard       +digraphs        -footer          +linebreak       -mouse_jsbterm   +path_extra      +scrollbind      +terminfo        +vreplace
+cmdline_compl   -dnd             +fork()          +lispindent      +mouse_netterm   -perl            +signs           +termresponse    +wildignore
   system vimrc file: "$VIM/vimrc"
     user vimrc file: "$HOME/.vimrc"
 2nd user vimrc file: "~/.vim/vimrc"
      user exrc file: "$HOME/.exrc"
       defaults file: "$VIMRUNTIME/defaults.vim"
  fall-back for $VIM: "/usr/local/share/vim"
-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
RUBY Version : "2.4.0"

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I can connect just fine under nolog

:!sqlplus /nolog