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 ('01e2c48e83e6c3647f798997fa99a326','0','18.116.118.198','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714801543','board.php?boardid=300&sid=f800d6797baf5c6b12eb544e386a3c74','0','0','')
mysql error: Duplicate entry '01e2c48e83e6c3647f798997fa99a326' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 04.05.2024 @ 07:45
Script: /board.php?boardid=300&sid=f800d6797baf5c6b12eb544e386a3c74
Referer: http://wehrbauten.de/board.php?boardid=300&sid=f800d6797baf5c6b12eb544e386a3c74