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 ('b3895bf01e3b4ba6e024f1e77d876e5a','0','18.119.104.238','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714359753','memberslist.php?sid=0ac9169a9537db14d5ba0903a34ecf80','0','0','')
mysql error: Duplicate entry 'b3895bf01e3b4ba6e024f1e77d876e5a' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 29.04.2024 @ 05:02
Script: /memberslist.php?sid=0ac9169a9537db14d5ba0903a34ecf80
Referer: