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 ('0823b347835a5023feda6babc301e08e','0','18.223.106.199','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715959567','board.php?boardid=536&sid=af9842823ac1caadc884e1140ee6cad1','0','0','')
mysql error: Duplicate entry '0823b347835a5023feda6babc301e08e' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 17.05.2024 @ 17:26
Script: /board.php?boardid=536&sid=af9842823ac1caadc884e1140ee6cad1
Referer: