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 ('66e5629aa8da183ab74e81e980771023','0','18.224.149.242','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1713997230','board.php?boardid=465&sid=230869e2bf770f221ae6fa321688645e','0','0','')
mysql error: Duplicate entry '66e5629aa8da183ab74e81e980771023' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 25.04.2024 @ 00:20
Script: /board.php?boardid=465&sid=230869e2bf770f221ae6fa321688645e
Referer: http://wehrbauten.de/board.php?boardid=465&sid=230869e2bf770f221ae6fa321688645e