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 ('1400bff7b52a52a559145caabe6890dc','0','3.128.199.210','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715405783','memberslist.php?sid=6f552dda2e3eec7730182516cf8c2e82','0','0','')
mysql error: Duplicate entry '1400bff7b52a52a559145caabe6890dc' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 11.05.2024 @ 07:36
Script: /memberslist.php?sid=6f552dda2e3eec7730182516cf8c2e82
Referer: