Error message

• Notice: Undefined index: und in eval() (line 6 of /var/www-lib/d7/sites/all/modules/custom_formatters/engines/php.inc(111) : eval()'d code).
• Notice: Trying to get property of non-object in eval() (line 7 of /var/www-lib/d7/sites/all/modules/custom_formatters/engines/php.inc(111) : eval()'d code).