SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6 pl 2): Invalid SQL: INSERT INTO bb1_sessions (sessionhash,userid,ipaddress,useragent,lastactivity,request_uri,styleid,langid,authentificationcode) VALUES ('e5a4eddcb8d5f5103a2c13ed73d2fc71','0','18.216.94.152','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)','1713510562','index.php?hidecat=28&sid=f80c320b56b7db507ae335d57e3f0c5d','0','0','')
mysql error: Duplicate entry 'e5a4eddcb8d5f5103a2c13ed73d2fc71' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.44
php version: 5.2.17
Date: 19.04.2024 @ 09:09
Script: /index.php?hidecat=28&sid=f80c320b56b7db507ae335d57e3f0c5d
Referer: http://your-wbb.de/index.php?hidecat=28&sid=f80c320b56b7db507ae335d57e3f0c5d