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 ('52985a73b49e427bfe024c3420c85af1','0','3.149.244.86','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715485134','jgs_portal.php?sid=c69573f200cdd2cf4aa38a2b93b21034','0','0','')
mysql error: Duplicate entry '52985a73b49e427bfe024c3420c85af1' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 12.05.2024 @ 05:38
Script: /jgs_portal.php?sid=c69573f200cdd2cf4aa38a2b93b21034
Referer: http://wehrbauten.de/jgs_portal.php?sid=c69573f200cdd2cf4aa38a2b93b21034