SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6pl2): 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 bb23_threads t LEFT JOIN bb23_posts p ON (t.threadid=p.threadid && t.starttime=p.posttime) LEFT JOIN bb23_icons i USING (iconid) LEFT JOIN bb23_boards b ON (b.boardid=t.boardid) LEFT JOIN bb23_portal_newscat n ON (t.newscatid=n.id) WHERE t.visible = 1 AND p.visible = 1 AND t.boardid IN (0,3,4,5,6) AND t.boardid IN (03,4) ORDER BY t.starttime DESC LIMIT 0,20
mysql error: Column 'iconid' in from clause is ambiguous
mysql error number: 1052
mysql version: 5.7.37-nmm1-log
php version: 5.6.40-nmm4
Date: 30.11.2022 @ 05:01
Script: /wbb23/portal_newscat.php?sid=394c91d07be123ae79cf31d61a02bb66
Referer: