SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6 pl 2): Invalid SQL: INSERT INTO bb1_sessions (sessionhash,userid,ipaddress,useragent,lastactivity,request_uri,styleid,langid,authentificationcode) VALUES ('6b9a4835447bf6769d2775e6cc5f46c4','0','3.133.159.224','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)','1713509718','profile.php?userid=12311&sid=0534682ee9395ae08ef0d74128c0f2ff','0','0','')
mysql error: Duplicate entry '6b9a4835447bf6769d2775e6cc5f46c4' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.44
php version: 5.2.17
Date: 19.04.2024 @ 08:55
Script: /profile.php?userid=12311&sid=0534682ee9395ae08ef0d74128c0f2ff
Referer: http://your-wbb.de/profile.php?userid=12311&sid=0534682ee9395ae08ef0d74128c0f2ff