Error message

• Warning: Cannot modify header information - headers already sent by (output started at /home/harmo088/public_html/includes/common.inc:2791) in drupal_send_headers() (line 1499 of /home/harmo088/public_html/includes/bootstrap.inc).
• ParseError: syntax error, unexpected '' ' (T_ENCAPSED_AND_WHITESPACE) in rules_php_eval_return() (line 7 of /home/harmo088/public_html/sites/all/modules/rules/modules/php.eval.inc(146) : eval()'d code).