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 ('2eb7ede5b071cdf91755b6ba30e5b99d','0','3.147.54.242','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715685826','search.php?sid=a1f2ab4aad4bd366f4e6b2941990a69f','0','0','')
mysql error: Duplicate entry '2eb7ede5b071cdf91755b6ba30e5b99d' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 14.05.2024 @ 13:23
Script: /search.php?sid=a1f2ab4aad4bd366f4e6b2941990a69f
Referer: http://wehrbauten.de/search.php?sid=a1f2ab4aad4bd366f4e6b2941990a69f