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 ('1de280352975640ab7435ec0677141a9','0','18.222.181.216','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715824448','board.php?boardid=385&sid=f9d1d9d587de579063a8cf3e3419c99e','0','0','')
mysql error: Duplicate entry '1de280352975640ab7435ec0677141a9' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 16.05.2024 @ 03:54
Script: /board.php?boardid=385&sid=f9d1d9d587de579063a8cf3e3419c99e
Referer: http://wehrbauten.de/board.php?boardid=385&sid=f9d1d9d587de579063a8cf3e3419c99e