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 ('a7e6d82bf31167415fbad7b9448534e7','0','18.117.153.38','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715123444','board.php?boardid=150&sid=4e617aa6f9c9924609fb2b49333f0e8a','0','0','')
mysql error: Duplicate entry 'a7e6d82bf31167415fbad7b9448534e7' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 08.05.2024 @ 01:10
Script: /board.php?boardid=150&sid=4e617aa6f9c9924609fb2b49333f0e8a
Referer: