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 ('5451bbba662800a1a4293b8f7fa6f8be','0','3.16.81.94','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715227879','profile.php?userid=1&sid=3f2c901d11948c96e3dc1bd370d35498','0','0','')
mysql error: Duplicate entry '5451bbba662800a1a4293b8f7fa6f8be' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 09.05.2024 @ 06:11
Script: /profile.php?userid=1&sid=3f2c901d11948c96e3dc1bd370d35498
Referer: http://wehrbauten.de/profile.php?userid=1&sid=3f2c901d11948c96e3dc1bd370d35498