Error message

• Notice: Undefined index: und in _lazer_helper_get_field_collection() (line 231 of /home/menuiserielazer/www2/sites/all/themes/lazer/template.php).
• Warning: Invalid argument supplied for foreach() in _lazer_helper_get_field_collection() (line 231 of /home/menuiserielazer/www2/sites/all/themes/lazer/template.php).
• Notice: Undefined index: en in include() (line 176 of /home/menuiserielazer/www2/sites/all/themes/lazer/templates/content-types/node--reference.tpl.php).
• Notice: Undefined index: en in include() (line 182 of /home/menuiserielazer/www2/sites/all/themes/lazer/templates/content-types/node--reference.tpl.php).
• Notice: Undefined index: en in include() (line 187 of /home/menuiserielazer/www2/sites/all/themes/lazer/templates/content-types/node--reference.tpl.php).