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 ('e3b352364224f482ba57f3e58660a340','0','3.136.97.64','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1716207661','board.php?boardid=4&page=3&daysprune=1000&sortfield=starter&sortorder=ASC&sid=54b77199b6547f8ab8cc70c58f59bd15','0','0','')
mysql error: Duplicate entry 'e3b352364224f482ba57f3e58660a340' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.42-log
php version: 5.6.40
Date: 20.05.2024 @ 14:21
Script: /board.php?boardid=4&page=3&daysprune=1000&sortfield=starter&sortorder=ASC&sid=54b77199b6547f8ab8cc70c58f59bd15
Referer: