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 ('0f83b1f2bc57e3961d3b68e51f59a5ea','0','18.220.1.239','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715025203','memberslist.php?sid=4a226831049c2b1add142dae6b2eadba','0','0','')
mysql error: Duplicate entry '0f83b1f2bc57e3961d3b68e51f59a5ea' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 06.05.2024 @ 21:53
Script: /memberslist.php?sid=4a226831049c2b1add142dae6b2eadba
Referer: http://wehrbauten.de/memberslist.php?sid=4a226831049c2b1add142dae6b2eadba