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 ('3a3045cd83342abc2e50c3d2e2c48720','0','13.59.36.203','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714067132','report.php?postid=277175&sid=a14489ea031a6a0ea75e3037bc905698','0','0','')
mysql error: Duplicate entry '3a3045cd83342abc2e50c3d2e2c48720' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.44-log
php version: 5.6.40
Date: 25.04.2024 @ 19:45
Script: /wbb231/report.php?postid=277175&sid=a14489ea031a6a0ea75e3037bc905698
Referer: