It's the same issue.
Your page has blank lines between php tags at line 4, 37, 53.
at line 134, there is a comment between the code blocks:
<?php
/* Updates download field when download button pressed*/?>
<?php
and another blank line at line 141.
the error points to exactly where the problem is:
output started at /home/content/l/i/s/lisaharvey/html/documents/documents_results.php:37
Please visit this page for information on the cause of the error:
148/