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 ('bfcb761cc980b612694c86a3035f6487','0','18.217.228.35','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714398922','memberslist.php?sid=647d57768f19690cb90b9a64ae1bf513','0','0','')
mysql error: Duplicate entry 'bfcb761cc980b612694c86a3035f6487' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.42-log
php version: 5.6.40
Date: 29.04.2024 @ 15:55
Script: /memberslist.php?sid=647d57768f19690cb90b9a64ae1bf513
Referer: