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 ('9cea107eb685498542f7f96b8a029f01','0','18.223.28.70','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715670242','board.php?boardid=10&sid=d1cfbdb293a8c06142dc4bf64d1e3736','0','0','')
mysql error: Duplicate entry '9cea107eb685498542f7f96b8a029f01' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.42-log
php version: 5.6.40
Date: 14.05.2024 @ 09:04
Script: /board.php?boardid=10&sid=d1cfbdb293a8c06142dc4bf64d1e3736
Referer: