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 ('23185a80c9719e2813b1d979615bbcd3','0','18.191.26.53','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715575473','memberslist.php?sid=3a7fd6855a45b03c547257a3b6508b9d','0','0','')
mysql error: Duplicate entry '23185a80c9719e2813b1d979615bbcd3' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 13.05.2024 @ 06:44
Script: /memberslist.php?sid=3a7fd6855a45b03c547257a3b6508b9d
Referer: http://wehrbauten.de/memberslist.php?sid=3a7fd6855a45b03c547257a3b6508b9d