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 ('e09b31e9278a1abf36c44690970258d9','0','13.59.18.83','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715785063','board.php?boardid=622&sid=c443fbda8b025911b71ecf717407ef37','0','0','')
mysql error: Duplicate entry 'e09b31e9278a1abf36c44690970258d9' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 15.05.2024 @ 16:57
Script: /board.php?boardid=622&sid=c443fbda8b025911b71ecf717407ef37
Referer: http://wehrbauten.de/board.php?boardid=622&sid=c443fbda8b025911b71ecf717407ef37