[killa seven]

i had this problem on one of my plugins and thats how i fixed it

PHP Code:

$threadid = $vbulletin->db->query_first("
        SELECT threadid
        FROM " . TABLE_PREFIX . "thread
        WHERE pollid = '".$pollida."'
    ");

$checkpost = $vbulletin->db->query_read("
        SELECT username
        FROM " . TABLE_PREFIX . "post
        WHERE threadid = '".$threadid."'
    ");
while ($posts = $vbulletin->db->fetch_array($checkpost))
{
print_r($posts);
} 


try it like that