Error message

• Warning: Use of undefined constant submit - assumed 'submit' (this will throw an Error in a future version of PHP) in custombartik_form_alter() (line 165 of /usr/share/nginx/html/sites/all/themes/custombartik/template.php).
• Warning: Use of undefined constant reset - assumed 'reset' (this will throw an Error in a future version of PHP) in custombartik_form_alter() (line 166 of /usr/share/nginx/html/sites/all/themes/custombartik/template.php).