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 ('18caa937ab320879dc88b5c5ace07005','0','3.138.174.95','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714862144','thread.php?threadid=1703&sid=092fd90220e3beb21d097ef13bbc7387','0','0','')
mysql error: Duplicate entry '18caa937ab320879dc88b5c5ace07005' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 05.05.2024 @ 00:35
Script: /thread.php?threadid=1703&sid=092fd90220e3beb21d097ef13bbc7387
Referer: