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 ('be7cb3d809062b57c04e751dedffdfc7','0','3.128.199.175','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715949982','board.php?boardid=333&sid=320a7dee9484225e3a1e6390138a9a3c','0','0','')
mysql error: Duplicate entry 'be7cb3d809062b57c04e751dedffdfc7' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 17.05.2024 @ 14:46
Script: /board.php?boardid=333&sid=320a7dee9484225e3a1e6390138a9a3c
Referer: http://wehrbauten.de/board.php?boardid=333&sid=320a7dee9484225e3a1e6390138a9a3c