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 ('b70c7e5d38fddb5f46505a93e810555e','0','3.147.86.154','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1716366403','forgotpw.php?sid=b92b5cb86d64068df2801ed285bf2f8b','0','0','')
mysql error: Duplicate entry 'b70c7e5d38fddb5f46505a93e810555e' for key 'PRIMARY'
mysql error number: 1062
mysql version: 10.5.23-MariaDB-0+deb11u1
php version: 5.6.40
Date: 22.05.2024 @ 10:26
Script: /forgotpw.php?sid=b92b5cb86d64068df2801ed285bf2f8b
Referer: