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 ('f0649c4ed1548ae7db9395f8f1dbd0f0','0','3.16.15.149','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714611871','thread.php?goto=lastpost&threadid=2022&sid=157ba8a1736ccab8755b1901b4421677','0','0','')
mysql error: Duplicate entry 'f0649c4ed1548ae7db9395f8f1dbd0f0' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 02.05.2024 @ 03:04
Script: /thread.php?goto=lastpost&threadid=2022&sid=157ba8a1736ccab8755b1901b4421677
Referer: