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 ('84eb06be05603fba8ca0508d845bdb14','0','3.147.66.149','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1716138970','index.php?sid=01cca652e7c8f860ac52cdd38c31a7a0','0','0','5751fec3b9c8fb97f120a3209821616b')
mysql error: Duplicate entry '84eb06be05603fba8ca0508d845bdb14' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.42-log
php version: 4.4.9
Date: 19.05.2024 @ 19:16
Script: /board/index.php?sid=01cca652e7c8f860ac52cdd38c31a7a0
Referer: