[rin]

Yup, I have just tried around a little bit and found out that cached attachments are shown in either case.
May I ask for help on this one:

$query = $db->query_read("SELECT current_bandwidth FROM " . TABLE_PREFIX . "user WHERE userid = " . $vbulletin->userinfo[userid]);

$add = $query[current_bandwidth] + 550;

Either the mySQL query is corrupt or the value of $query[current_bandwidth] is 0. Which it should not be since it has some value in the database. My guess would be that I can not call the value via the method I used. But after searching around, also in vBulletin code I didn't find a suitable solution.