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 ('103ecf35a2e83507377df8026f8e06f4','0','3.149.213.209','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715273234','board.php?boardid=91&sid=3a80a5602ae4cbe9fb808f03b75614fe','0','0','')
mysql error: Duplicate entry '103ecf35a2e83507377df8026f8e06f4' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 09.05.2024 @ 18:47
Script: /board.php?boardid=91&sid=3a80a5602ae4cbe9fb808f03b75614fe
Referer: