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 ('2b73b9b20cc1c482c04609fe20e315e9','0','18.118.2.15','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714814792','memberslist.php?sid=00086284a4c0a6d81680368b4a823543','0','0','')
mysql error: Duplicate entry '2b73b9b20cc1c482c04609fe20e315e9' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 04.05.2024 @ 11:26
Script: /memberslist.php?sid=00086284a4c0a6d81680368b4a823543
Referer: http://wehrbauten.de/memberslist.php?sid=00086284a4c0a6d81680368b4a823543