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 ('9aa5ca1cd76ac262dfe202f4780c0d99','0','3.135.190.232','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)','1713568191','thread.php?threadid=28234&threadview=0&hilight=&hilightuser=0&sid=eafb7c10880dba97e024eace6aed7dc7&page=8','0','0','')
mysql error: Duplicate entry '9aa5ca1cd76ac262dfe202f4780c0d99' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.44
php version: 5.2.17
Date: 20.04.2024 @ 01:09
Script: /thread.php?threadid=28234&threadview=0&hilight=&hilightuser=0&sid=eafb7c10880dba97e024eace6aed7dc7&page=8
Referer: