I just tried adding
<pre><?php var_dump($_SESSION); ?></pre>
to my Profile page instead. Got the following:
Warning: Cannot modify header information - headers already sent by (output started at C:\xampp\htdocs\AKTN\admin\visitors_Profile.php:1) in C:\xampp\htdocs\AKTN\WA_SecurityAssist\Helper_PHP.php on line 67
If I remove that extra line of code, I still get the next bit (Warning: Cannot modify ... line 67) if I try to update the profile.
There is no "Security Assist Authenticate User" in the server behaviours for this page.
I will attach the Profile page here in case it's useful, thanks.