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 ('4275f7706a916bbc3b939ceafa96dc3d','0','18.222.36.180','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1716104059','index.php?sid=3f1e36ae9aea7c887252f915c8610151','0','0','')
mysql error: Duplicate entry '4275f7706a916bbc3b939ceafa96dc3d' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.42-log
php version: 5.6.40
Date: 19.05.2024 @ 09:34
Script: /index.php?sid=3f1e36ae9aea7c887252f915c8610151
Referer: