save changes button
Using Jamroom
try running the integrity check.

$tbl = jrCore_db_table_name('jrUser', 'session');
$req = "SELECT COUNT(DISTINCT(session_user_ip)) AS online FROM {$tbl} WHERE session_updated > (UNIX_TIMESTAMP() - " . intval($length) . ") AND session_user_name NOT LIKE 'bot:%'";