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 ('2909ed22c7c2ee34a2094669ae2971ea','0','3.17.79.60','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714334882','profile.php?userid=1709&sid=2b3e9b412dbaf7884618f536dea0423e','0','0','')
mysql error: Duplicate entry '2909ed22c7c2ee34a2094669ae2971ea' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.42-log
php version: 4.4.9
Date: 28.04.2024 @ 22:08
Script: /profile.php?userid=1709&sid=2b3e9b412dbaf7884618f536dea0423e
Referer: http://forum.gsra.de/profile.php?userid=1709&sid=2b3e9b412dbaf7884618f536dea0423e