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 ('abda90c35e731b43290ff0ae41073583','0','3.141.44.9','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715671647','board.php?boardid=708&sid=a8081eae7d261ae67bceeb198ec361c4','0','0','')
mysql error: Duplicate entry 'abda90c35e731b43290ff0ae41073583' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 14.05.2024 @ 09:27
Script: /board.php?boardid=708&sid=a8081eae7d261ae67bceeb198ec361c4
Referer: