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 ('aa8cb6520d00d852650e4af7413a0b04','0','3.14.83.223','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714642488','board.php?boardid=67&sid=3346213262e635322cfa4a0c4818a6eb','0','0','')
mysql error: Duplicate entry 'aa8cb6520d00d852650e4af7413a0b04' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 02.05.2024 @ 11:34
Script: /board.php?boardid=67&sid=3346213262e635322cfa4a0c4818a6eb
Referer: