most likely, the problem is the blank lines between code blocks at line 114 and 117. lines 113 - 118 are:
?>
<?php require_once("../webassist/email/mail_php.php"); ?>
<?php require_once("../webassist/email/mailformatting_php.php"); ?>
<?php
it should be:
?>
<?php require_once("../webassist/email/mail_php.php"); ?>
<?php require_once("../webassist/email/mailformatting_php.php"); ?>
<?php