SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6 pl2): Invalid SQL: INSERT INTO bb1_sessions (sessionhash,userid,ipaddress,useragent,lastactivity,request_uri,styleid,langid,authentificationcode) VALUES ('bd4e38d245578224de840bad999f42e1','0','3.142.171.90','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1716148325','search.php?action=new&sid=1fd3e2719bbbfa54c675afd151b5994d','0','0','')
mysql error: Duplicate entry 'bd4e38d245578224de840bad999f42e1' for key 'PRIMARY'
mysql error number: 1062
mysql version: 10.5.23-MariaDB-1:10.5.23+maria~ubu2004-log
php version: 5.6.40-nmm8
Date: 19.05.2024 @ 21:52
Script: /search.php?action=new&sid=1fd3e2719bbbfa54c675afd151b5994d
Referer: http://friends-palace.de/search.php?action=new&sid=1fd3e2719bbbfa54c675afd151b5994d