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 ('df0236607d3d84ad980bbbe32568f61d','0','18.223.114.142','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715196635','memberslist.php?sid=b55df25bc1ff9364845b3318e710678c','0','0','')
mysql error: Duplicate entry 'df0236607d3d84ad980bbbe32568f61d' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 08.05.2024 @ 21:30
Script: /memberslist.php?sid=b55df25bc1ff9364845b3318e710678c
Referer: