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 ('111a2594e98426ca97ee6d16c1a43b45','0','3.136.97.64','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714143608','addreply.php?postid=59729&sid=04df01455fc9604801a4155fe05c86f8','0','0','')
mysql error: Duplicate entry '111a2594e98426ca97ee6d16c1a43b45' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.42-log
php version: 5.6.40
Date: 26.04.2024 @ 17:00
Script: /addreply.php?postid=59729&sid=04df01455fc9604801a4155fe05c86f8
Referer: