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 ('3fea62f20b6ad6bd60147306fe9c68e3','0','3.133.147.252','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715417562','search.php?sid=d16582195c4290f13a5f23b29c3cff2e','0','0','')
mysql error: Duplicate entry '3fea62f20b6ad6bd60147306fe9c68e3' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 11.05.2024 @ 10:52
Script: /search.php?sid=d16582195c4290f13a5f23b29c3cff2e
Referer: http://wehrbauten.de/search.php?sid=d16582195c4290f13a5f23b29c3cff2e