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 ('2c327e4771ac542c81d4de61ef800a2d','0','3.137.164.241','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715480575','board.php?boardid=142&sid=cd0c76f7d9370507302886f7aac209bf','0','0','')
mysql error: Duplicate entry '2c327e4771ac542c81d4de61ef800a2d' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 12.05.2024 @ 04:22
Script: /board.php?boardid=142&sid=cd0c76f7d9370507302886f7aac209bf
Referer: