SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6 pl 2): Invalid SQL: INSERT INTO bb1_sessions (sessionhash,userid,ipaddress,useragent,lastactivity,request_uri,styleid,langid,authentificationcode) VALUES ('4ea5025c8cf293f23dcd6fecedf34579','0','3.149.234.141','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)','1713541306','thread.php?threadid=20955&sid=fc38a73a9cb1fe0fd5a7c65c9d48c886','0','0','')
mysql error: Duplicate entry '4ea5025c8cf293f23dcd6fecedf34579' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.44
php version: 5.2.17
Date: 19.04.2024 @ 17:41
Script: /thread.php?threadid=20955&sid=fc38a73a9cb1fe0fd5a7c65c9d48c886
Referer: