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 ('04a6e7638b56968258579a5987c12d3e','0','52.14.126.74','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714618786','index.php?sid=194a75611af681aee137f645592d85a6','0','0','')
mysql error: Duplicate entry '04a6e7638b56968258579a5987c12d3e' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 02.05.2024 @ 04:59
Script: /index.php?sid=194a75611af681aee137f645592d85a6
Referer: http://wehrbauten.de/index.php?sid=194a75611af681aee137f645592d85a6