(setq ergoemacs-theme nil) ;; Uses Standard Ergoemacs keyboard theme
(setq ergoemacs-keyboard-layout "us") ;; Assumes QWERTY keyboard layout
(ergoemacs-mode 1)

Warning (initialization): An error occurred while loading `c:/Users/UserName/AppData/Roaming/.emacs':

Symbol's function definition is void: ergoemacs-mode

To ensure normal operation, you should investigate and remove the
cause of the error in your initialization file.  Start Emacs with
the `--debug-init' option to view a complete error backtrace.

'(ergoemacs-ctl-c-or-ctl-x-delay 0.2)
 '(ergoemacs-handle-ctl-c-or-ctl-x (quote both))
 '(ergoemacs-ini-mode t)
 '(ergoemacs-keyboard-layout "us")
 '(ergoemacs-mode nil)
 '(ergoemacs-smart-paste nil)
 '(ergoemacs-theme "standard")
 '(ergoemacs-theme-options nil)
 '(ergoemacs-use-menus t)