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 ('96b3a1b77f97dcf5d5a3f0b13163649c','0','18.119.172.146','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714741133','thread.php?goto=lastpost&threadid=941&sid=134dc773fc464fba38029d9e6ffea469','0','0','')
mysql error: Duplicate entry '96b3a1b77f97dcf5d5a3f0b13163649c' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 03.05.2024 @ 14:58
Script: /thread.php?goto=lastpost&threadid=941&sid=134dc773fc464fba38029d9e6ffea469
Referer: