It works for me now I edited
Quote
IN templates/default/markallread.tpl
FIND THIS:
<form action="{ubb url="ubb=domarkallread"}">

REPLACE WITH:
<form method="post" action="{ubb url="ubb=domarkallread"}">

THANK YOU smile

Morgan Johansson
BritBike Forum
https://www.britbike.com/forums/ubbthreads.php