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 ('293d3b37f14a49fa9364878340aa19c3','0','3.141.152.173','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715333262','memberslist.php?sid=84f2b83feb371b9b68929881bf0d52db','0','0','')
mysql error: Duplicate entry '293d3b37f14a49fa9364878340aa19c3' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 10.05.2024 @ 11:27
Script: /memberslist.php?sid=84f2b83feb371b9b68929881bf0d52db
Referer: http://wehrbauten.de/memberslist.php?sid=84f2b83feb371b9b68929881bf0d52db