error about Unknown function: vital#easymotion#new on vim 8

[unixsurfer]

Just updated the plugin and added nmap <leader>s <Plug>(easymotion-overwin-f2) to my config. Invoking the above mapping returns:

Error detected while processing /home/pparissis/.vim/bundle/vim-easymotion/autoload/EasyMotion/command_line.vim:
line   33:
E117: Unknown function: vital#easymotion#new
E15: Invalid expression: vital#easymotion#new()
line   34:
E121: Undefined variable: s:V
E15: Invalid expression: s:V.import('Over.Commandline.Base')
line   35:
E121: Undefined variable: s:V
E15: Invalid expression: s:V.import("Over.Commandline.Modules")
line   36:
E121: Undefined variable: s:cmdline
E15: Invalid expression: s:cmdline.make()
line   37:
E121: Undefined variable: s:search
line   40:
E121: Undefined variable: s:search
line   41:
E121: Undefined variable: s:search
line   42:
E121: Undefined variable: s:search
line   43:
E121: Undefined variable: s:search
line   44:
E121: Undefined variable: s:search
line   45:
E121: Undefined variable: s:search
line   46:
E121: Undefined variable: s:search
line   47:
E121: Undefined variable: s:search
line   48:
E121: Undefined variable: s:search
line   49:
E121: Undefined variable: s:search
line   50:
E121: Undefined variable: s:search
line   51:
E121: Undefined variable: s:search
line   52:
E121: Undefined variable: s:search
line   53:
E121: Undefined variable: s:search
line   54:
E121: Undefined variable: s:search
line   79:
E121: Undefined variable: s:search
line   84:
E121: Undefined variable: s:search
line   91:
E133: :return not inside a function
line   92:
E193: :endfunction not inside a function
line   94:
E121: Undefined variable: s:search
line   95:
E121: Undefined variable: s:search
line   96:
E121: Undefined variable: s:search
line   97:
E121: Undefined variable: s:search
line   98:
E121: Undefined variable: s:search
line  123:
E121: Undefined variable: s:search
line  124:
E121: Undefined variable: s:num_strokes
E15: Invalid expression: s:num_strokes == -1
line  136:
-- More --

I am running the following version of vim on Debian stretch

vim --version
VIM - Vi IMproved 8.0 (2016 Sep 12, compiled Sep 30 2017 18:21:38)
Included patches: 1-197, 322, 377-378, 550, 703, 706-707
Modified by [email protected]
Compiled by [email protected]
Huge version with GTK3 GUI.  Features included (+) or not (-):
+acl             +file_in_path    +mouse_sgr       +tag_old_static
+arabic          +find_in_path    -mouse_sysmouse  -tag_any_white
+autocmd         +float           +mouse_urxvt     +tcl
+balloon_eval    +folding         +mouse_xterm     +termguicolors
+browse          -footer          +multi_byte      +terminfo
++builtin_terms  +fork()          +multi_lang      +termresponse
+byte_offset     +gettext         -mzscheme        +textobjects
+channel         -hangul_input    +netbeans_intg   +timers
+cindent         +iconv           +num64           +title
+clientserver    +insert_expand   +packages        +toolbar
+clipboard       +job             +path_extra      +user_commands
+cmdline_compl   +jumplist        +perl            +vertsplit
+cmdline_hist    +keymap          +persistent_undo +virtualedit
+cmdline_info    +lambda          +postscript      +visual
+comments        +langmap         +printer         +visualextra
+conceal         +libcall         +profile         +viminfo
+cryptv          +linebreak       -python          +vreplace
+cscope          +lispindent      +python3         +wildignore
+cursorbind      +listcmds        +quickfix        +wildmenu
+cursorshape     +localmap        +reltime         +windows
+dialog_con_gui  +lua             +rightleft       +writebackup
+diff            +menu            +ruby            +X11
+digraphs        +mksession       +scrollbind      -xfontset
+dnd             +modify_fname    +signs           +xim
-ebcdic          +mouse           +smartindent     +xpm
+emacs_tags      +mouseshape      +startuptime     +xsmp_interact
+eval            +mouse_dec       +statusline      +xterm_clipboard
+ex_extra        +mouse_gpm       -sun_workshop    -xterm_save
+extra_search    -mouse_jsbterm   +syntax
+farsi           +mouse_netterm   +tag_binary
   system vimrc file: "$VIM/vimrc"
     user vimrc file: "$HOME/.vimrc"
 2nd user vimrc file: "~/.vim/vimrc"
      user exrc file: "$HOME/.exrc"
  system gvimrc file: "$VIM/gvimrc"
    user gvimrc file: "$HOME/.gvimrc"
2nd user gvimrc file: "~/.vim/gvimrc"
       defaults file: "$VIMRUNTIME/defaults.vim"
    system menu file: "$VIMRUNTIME/menu.vim"
  fall-back for $VIM: "/usr/share/vim"
Compilation: gcc -c -I. -Iproto -DHAVE_CONFIG_H -DFEAT_GUI_GTK  -pthread -I/usr/include/gtk-3.0 -I/usr/include/at-spi2-atk/2.0 -I/usr/include/at-spi-2.0 -I/usr/include/dbus-1.0 -I/usr/lib/x86_64-linux-gnu/dbus-1.0/include -I/usr/include/gtk-3.0 -I/usr/include/gio-unix-2.0/ -I/usr/include/cairo -I/usr/include/pango-1.0 -I/usr/include/harfbuzz -I/usr/include/pango-1.0 -I/usr/include/atk-1.0 -I/usr/include/cairo -I/usr/include/pixman-1 -I/usr/include/freetype2 -I/usr/include/libpng16 -I/usr/include/gdk-pixbuf-2.0 -I/usr/include/libpng16 -I/usr/include/glib-2.0 -I/usr/lib/x86_64-linux-gnu/glib-2.0/include -Wdate-time  -g -O2 -fdebug-prefix-map=/build/vim-R2d1UQ/vim-8.0.0197=. -fstack-protector-strong -Wformat -Werror=format-security -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=1
Linking: gcc   -L. -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -Wl,-E  -Wl,-z,relro -Wl,-z,now -Wl,--as-needed -o vim   -lgtk-3 -lgdk-3 -lpangocairo-1.0 -lpango-1.0 -latk-1.0 -lcairo-gobject -lcairo -lgdk_pixbuf-2.0 -lgio-2.0 -lgobject-2.0 -lglib-2.0 -lSM -lICE -lXpm -lXt -lX11 -lXdmcp -lSM -lICE  -lm -ltinfo -lnsl  -lselinux  -lacl -lattr -lgpm -ldl  -L/usr/lib -llua5.2 -Wl,-E  -fstack-protector-strong -L/usr/local/lib  -L/usr/lib/x86_64-linux-gnu/perl/5.24/CORE -lperl -ldl -lm -lpthread -lcrypt  -L/usr/lib/python3.5/config-3.5m-x86_64-linux-gnu -lpython3.5m -lpthread -ldl -lutil -lm -L/usr/lib/x86_64-linux-gnu -ltcl8.6 -ldl -lz -lpthread -lieee -lm -lruby-2.3 -lpthread -lgmp -ldl -lcrypt -lm