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 ('54ee340637dd01b6f4be8434a7495e0e','0','13.58.185.199','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715721420','board.php?boardid=333&sid=a7507bfd1421a8728f8597570b1477c1','0','0','')
mysql error: Duplicate entry '54ee340637dd01b6f4be8434a7495e0e' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 14.05.2024 @ 23:17
Script: /board.php?boardid=333&sid=a7507bfd1421a8728f8597570b1477c1
Referer: http://wehrbauten.de/board.php?boardid=333&sid=a7507bfd1421a8728f8597570b1477c1