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 ('e564dde763cd649697aea7b24bec08c2','0','3.15.143.207','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715833732','memberslist.php?sid=86082275cfe30fd7a6e1549266c1276c','0','0','')
mysql error: Duplicate entry 'e564dde763cd649697aea7b24bec08c2' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 16.05.2024 @ 06:28
Script: /memberslist.php?sid=86082275cfe30fd7a6e1549266c1276c
Referer: http://wehrbauten.de/memberslist.php?sid=86082275cfe30fd7a6e1549266c1276c