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 ('e7374897ace907b9276113662ec6f481','0','18.224.251.136','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715860805','index.php?sid=f1ba7669029ac3d4af4059967e953922','0','0','')
mysql error: Duplicate entry 'e7374897ace907b9276113662ec6f481' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.42-log
php version: 5.6.40
Date: 16.05.2024 @ 14:00
Script: /index.php?sid=f1ba7669029ac3d4af4059967e953922
Referer: