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 ('ea9846d42fb977a5e632e71ee9d509b7','0','3.144.115.16','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715507283','board.php?boardid=34&page=1&daysprune=1000&sortfield=views&sortorder=ASC&sid=13fab282ffa081813fb53ec72e1b4656','0','0','')
mysql error: Duplicate entry 'ea9846d42fb977a5e632e71ee9d509b7' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.42-log
php version: 5.6.40
Date: 12.05.2024 @ 11:48
Script: /board.php?boardid=34&page=1&daysprune=1000&sortfield=views&sortorder=ASC&sid=13fab282ffa081813fb53ec72e1b4656
Referer: