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 ('ac762e59ece47eeb33343b0478e50705','0','3.149.251.155','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714352705','login.php?sid=f7d9bdcb9043c8c5e1b5133a322de011','0','0','')
mysql error: Duplicate entry 'ac762e59ece47eeb33343b0478e50705' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.42-log
php version: 5.6.40
Date: 29.04.2024 @ 03:05
Script: /login.php?sid=f7d9bdcb9043c8c5e1b5133a322de011
Referer: