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 ('19a9f07655a5b6ce67eabefb938fe2e8','0','3.145.47.253','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)','1713921895','board.php?boardid=73&daysprune=1000&sortfield=lastposttime&sortorder=DESC&sid=2320ed2555a14a4b7a71eff4eee93b56&page=18','0','0','')
mysql error: Duplicate entry '19a9f07655a5b6ce67eabefb938fe2e8' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.44
php version: 5.2.17
Date: 24.04.2024 @ 03:24
Script: /board.php?boardid=73&daysprune=1000&sortfield=lastposttime&sortorder=DESC&sid=2320ed2555a14a4b7a71eff4eee93b56&page=18
Referer: http://your-wbb.de/board.php?boardid=73&daysprune=1000&sortfield=lastposttime&sortorder=DESC&sid=2320ed2555a14a4b7a71eff4eee93b56&page=18