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 ('795abfdc69ab80678e4fb247ad9e8d56','0','18.220.140.5','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715152066','memberslist.php?sid=bfd826dfa7c6036759baf78207417d2d','0','0','')
mysql error: Duplicate entry '795abfdc69ab80678e4fb247ad9e8d56' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 08.05.2024 @ 09:07
Script: /memberslist.php?sid=bfd826dfa7c6036759baf78207417d2d
Referer: http://wehrbauten.de/memberslist.php?sid=bfd826dfa7c6036759baf78207417d2d