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 ('305369d05032614748d178d728885aca','0','3.14.142.62','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715544538','memberslist.php?sid=ee057a43f03bc79b81e96955cb78699e','0','0','')
mysql error: Duplicate entry '305369d05032614748d178d728885aca' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 12.05.2024 @ 22:08
Script: /memberslist.php?sid=ee057a43f03bc79b81e96955cb78699e
Referer: http://wehrbauten.de/memberslist.php?sid=ee057a43f03bc79b81e96955cb78699e