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 ('9d77b6f44fa24146f253e2b09b093a16','0','18.219.189.247','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714241043','addreply.php?action=quote&postid=70562&sid=e848052ca96de1e42889be4e0f7e9e65','0','0','')
mysql error: Duplicate entry '9d77b6f44fa24146f253e2b09b093a16' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.42-log
php version: 5.6.40
Date: 27.04.2024 @ 20:04
Script: /addreply.php?action=quote&postid=70562&sid=e848052ca96de1e42889be4e0f7e9e65
Referer: