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 ('283cd214ad4ad8b5bb26d1ce1e5cc5e6','0','18.116.90.140','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1716256814','profile.php?userid=99&sid=4886e768e744ad29202f8b608b709de6','0','0','')
mysql error: Duplicate entry '283cd214ad4ad8b5bb26d1ce1e5cc5e6' for key 'PRIMARY'
mysql error number: 1062
mysql version: 10.11.5-MariaDB-deb10-keen
php version: 5.3.29
Date: 21.05.2024 @ 04:00
Script: /profile.php?userid=99&sid=4886e768e744ad29202f8b608b709de6
Referer: