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 ('0e8ae647982eaf8ef05701c740e151a2','0','18.218.38.125','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715430587','board.php?boardid=535&sid=c38d4d2e1990d57e95407983a566b615','0','0','')
mysql error: Duplicate entry '0e8ae647982eaf8ef05701c740e151a2' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 11.05.2024 @ 14:29
Script: /board.php?boardid=535&sid=c38d4d2e1990d57e95407983a566b615
Referer: http://wehrbauten.de/board.php?boardid=535&sid=c38d4d2e1990d57e95407983a566b615