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 ('61c199d28b358610a700a6e6f7c78984','0','18.118.138.223','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714558983','editpost.php?postid=84815&sid=dad8e1d3e91ddc1ea008fbf31d8be029','0','0','')
mysql error: Duplicate entry '61c199d28b358610a700a6e6f7c78984' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.42-log
php version: 5.6.40
Date: 01.05.2024 @ 12:23
Script: /editpost.php?postid=84815&sid=dad8e1d3e91ddc1ea008fbf31d8be029
Referer: