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 ('1afe05d94d7148336afaac3d90a742e6','0','3.147.67.195','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1716367141','board.php?boardid=22&sid=ce1dab2316babf2ab8e456c6997d6fd4','0','0','')
mysql error: Duplicate entry '1afe05d94d7148336afaac3d90a742e6' for key 'PRIMARY'
mysql error number: 1062
mysql version: 10.6.15-MariaDB-cll-lve-log
php version: 5.6.40
Date: 22.05.2024 @ 08:39
Script: /board.php?boardid=22&sid=ce1dab2316babf2ab8e456c6997d6fd4
Referer: