SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6): Invalid SQL: SELECT t.*, p.*, i.*, n.id AS newscat_id, n.title AS newscat_title, n.grafikfile, n.position, b.title AS b_title, b.hotthread_reply AS b_hotthread_reply, b.hotthread_view AS b_hotthread_view, b.postsperpage AS b_postsperpage, b.lastposttime AS b_lastposttime FROM bb5_threads t LEFT JOIN bb5_posts p ON (t.threadid=p.threadid && t.starttime=p.posttime) LEFT JOIN bb5_icons i USING (iconid) LEFT JOIN bb5_boards b ON (b.boardid=t.boardid) LEFT JOIN bb5_portal_newscat n ON (t.newscatid=n.id) WHERE t.visible = 1 AND p.visible = 1 AND t.boardid IN (0,2,3,38,27,7,9,10,11,12,13,14,42,15,32,28,39,30,49,31,29,18,17,19,36,21,44,24,25,23,51,52,41,77,26,66,64,65,67,76,84,97,98,99,101,108,102,116,117) AND t.boardid IN (02) ORDER BY t.starttime DESC LIMIT 0,20
mysql error: Column 'iconid' in from clause is ambiguous
mysql error number: 1052
mysql version: 5.7.33-0ubuntu0.16.04.1-log
php version: 5.6.40
Date: 05.03.2021 @ 02:45
Script: /portal_newscat.php
Referer: