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 ('ce8fec1ab3c5fd4b44b5881bdc2f9db2','0','3.144.243.184','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715133463','team.php?sid=9ca839e6c078c09493613d0348c8d464','0','0','')
mysql error: Duplicate entry 'ce8fec1ab3c5fd4b44b5881bdc2f9db2' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 08.05.2024 @ 03:57
Script: /team.php?sid=9ca839e6c078c09493613d0348c8d464
Referer: http://wehrbauten.de/team.php?sid=9ca839e6c078c09493613d0348c8d464