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 ('2863fa300467117b8106914886488d26','0','18.222.111.24','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715171924','board.php?boardid=119&sid=e610dfb7e345ca214742227f57c7b285','0','0','')
mysql error: Duplicate entry '2863fa300467117b8106914886488d26' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 08.05.2024 @ 14:38
Script: /board.php?boardid=119&sid=e610dfb7e345ca214742227f57c7b285
Referer: