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 ('b7c217d8e02e281c60996121a31dc8d0','0','18.118.100.48','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715357188','memberslist.php?sid=f734ffa32fad133937e6be1ed88b8ec7','0','0','')
mysql error: Duplicate entry 'b7c217d8e02e281c60996121a31dc8d0' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 10.05.2024 @ 18:06
Script: /memberslist.php?sid=f734ffa32fad133937e6be1ed88b8ec7
Referer: