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 ('87a4cfc9a1c8a60c6dcfaf40c7906cd9','0','18.222.125.171','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)','1713891400','login.php?sid=699ad12d883eb7f0dddd85adc0e75ed3','0','0','')
mysql error: Duplicate entry '87a4cfc9a1c8a60c6dcfaf40c7906cd9' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.44
php version: 5.2.17
Date: 23.04.2024 @ 18:56
Script: /login.php?sid=699ad12d883eb7f0dddd85adc0e75ed3
Referer: