80
In include/checklogin.php, find the following code around line 76
if (!empty($HTTP_POST_VARS['xoops_redirect']) && !strpos($HTTP_POST_VARS['xoops_redirect'], 'register')) {
then just above the code, add the following lines
var_dump(!empty($HTTP_POST_VARS['xoops_redirect']));
var_dump(!strpos($HTTP_POST_VARS['xoops_redirect'], 'register'));
exit();
let me know what you get when logging in after making this change