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 ('9804157ad18260719698baffeb890098','0','18.222.22.216','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1716398643','memberslist.php?sid=d71cbf57d22e1fc2150de5fb4a3e5360','0','0','')
mysql error: Duplicate entry '9804157ad18260719698baffeb890098' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.42-log
php version: 5.6.40
Date: 22.05.2024 @ 19:24
Script: /memberslist.php?sid=d71cbf57d22e1fc2150de5fb4a3e5360
Referer: