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 ('4b2e06477f907e35ea15fd6164045deb','0','18.216.230.107','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715232339','register.php?sid=d4db7bc93c11fc70c7df7f82dd48679d','0','0','')
mysql error: Duplicate entry '4b2e06477f907e35ea15fd6164045deb' for key 'PRIMARY'
mysql error number: 1062
mysql version: 10.6.16-MariaDB-0ubuntu0.22.04.1
php version: 5.6.40
Date: 09.05.2024 @ 07:25
Script: /register.php?sid=d4db7bc93c11fc70c7df7f82dd48679d
Referer: