Error message

• Notice: Undefined index: en in include() (line 31 of /home/menuiserielazer/www2/sites/all/themes/lazer/templates/content-types/node--reference.tpl.php).
• Notice: Undefined index: en in include() (line 35 of /home/menuiserielazer/www2/sites/all/themes/lazer/templates/content-types/node--reference.tpl.php).
• Notice: Undefined index: en in include() (line 41 of /home/menuiserielazer/www2/sites/all/themes/lazer/templates/content-types/node--reference.tpl.php).
• Notice: Undefined index: en in require() (line 48 of /home/menuiserielazer/www2/sites/all/themes/lazer/templates/content-types/node--reference-template-3.tpl.php).
• Notice: Undefined index: en in include() (line 108 of /home/menuiserielazer/www2/sites/all/themes/lazer/templates/content-types/node--reference.tpl.php).