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 ('7cafa9d5653e029164da9be69c131f64','0','3.145.8.42','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715514722','formmail.php?userid=206&sid=190dc5e6e12e4d90ba112068a291f692','0','0','')
mysql error: Duplicate entry '7cafa9d5653e029164da9be69c131f64' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 12.05.2024 @ 13:52
Script: /formmail.php?userid=206&sid=190dc5e6e12e4d90ba112068a291f692
Referer: