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 ('66b82dd80a90309dd1fbb8bbbd66a734','0','18.225.149.32','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714510663','thread.php?goto=lastpost&threadid=2499&sid=2c0dfd8b13d2b1de234da0f568cb0221','0','0','')
mysql error: Duplicate entry '66b82dd80a90309dd1fbb8bbbd66a734' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 30.04.2024 @ 22:57
Script: /thread.php?goto=lastpost&threadid=2499&sid=2c0dfd8b13d2b1de234da0f568cb0221
Referer: