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 ('ab8e7f2d6e0743e5970ef5cd603d8f4a','0','3.137.218.230','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)','1713895068','editpost.php?postid=491812&sid=923b026025baaca46662e705c26978c2','0','0','')
mysql error: Duplicate entry 'ab8e7f2d6e0743e5970ef5cd603d8f4a' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.44
php version: 5.2.17
Date: 23.04.2024 @ 19:57
Script: /editpost.php?postid=491812&sid=923b026025baaca46662e705c26978c2
Referer: http://your-wbb.de/editpost.php?postid=491812&sid=923b026025baaca46662e705c26978c2