SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6 pl2): Invalid SQL: INSERT INTO bb1_sessions (sessionhash,userid,ipaddress,useragent,lastactivity,request_uri,styleid,langid,authentificationcode) VALUES ('691b4575d4d744900c50a98f4ba829f3','0','3.128.199.162','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715297425','board.php?boardid=19&sid=3cf100117263fd9f1fd5d3ce5dc90162','0','0','')
mysql error: Duplicate entry '691b4575d4d744900c50a98f4ba829f3' for key 'PRIMARY'
mysql error number: 1062
mysql version: 10.1.48-MariaDB-0ubuntu0.18.04.1
php version: 7.4.33
Date: 10.05.2024 @ 01:30
Script: /board.php?boardid=19&sid=3cf100117263fd9f1fd5d3ce5dc90162
Referer: