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 ('aedefd71a7c03a884d43519fd928d567','0','18.222.80.122','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714894583','board.php?boardid=136&sid=202111feb6c02d8ff2ed3a6a3db47090','0','0','')
mysql error: Duplicate entry 'aedefd71a7c03a884d43519fd928d567' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 05.05.2024 @ 09:36
Script: /board.php?boardid=136&sid=202111feb6c02d8ff2ed3a6a3db47090
Referer: