the team html validation errors

memberlist_team.html
Error: Bad value for attribute action on element form: Must be non-empty.

<form method="post" action="{S_MODE_ACTION}">

Error: Duplicate ID team.
Warning: The first occurrence of ID team was here.

<table class="table1" id="team">

see post here https://area51.phpbb.com/phpBB/viewtopic.php?f=81&t=78201