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 ('8aecff9180d1544cc4d68b3fa3341bf7','0','18.117.91.153','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714437754','addreply.php?postid=11144&sid=c3cb9a5a87662af49a3ccfaa786f1790','0','0','')
mysql error: Duplicate entry '8aecff9180d1544cc4d68b3fa3341bf7' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 30.04.2024 @ 02:42
Script: /addreply.php?postid=11144&sid=c3cb9a5a87662af49a3ccfaa786f1790
Referer: