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 ('de611a0c494226e397299be3c9057279','0','3.142.12.240','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714214950','board.php?boardid=81&sid=0de5609f9da4a32b1a0812cbaa442b4b','0','0','')
mysql error: Duplicate entry 'de611a0c494226e397299be3c9057279' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 27.04.2024 @ 12:49
Script: /board.php?boardid=81&sid=0de5609f9da4a32b1a0812cbaa442b4b
Referer: