SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6): Invalid SQL: INSERT INTO bb1_sessions (sessionhash,userid,ipaddress,useragent,lastactivity,request_uri,styleid,langid,authentificationcode) VALUES ('2799c3857ee72de949c162c75f2b4132','0','18.116.51.117','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715482780','board.php?boardid=479&sid=6019785e8a1576e0636b1f844b4ed79a','0','0','')
mysql error: Duplicate entry '2799c3857ee72de949c162c75f2b4132' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 12.05.2024 @ 04:59
Script: /board.php?boardid=479&sid=6019785e8a1576e0636b1f844b4ed79a
Referer: http://wehrbauten.de/board.php?boardid=479&sid=6019785e8a1576e0636b1f844b4ed79a