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 ('dfaf23d9180698033bb8b582b8b78853','0','13.58.82.79','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714898597','board.php?boardid=42&sid=048250d0bdbff56bd2700a0571342b0f','0','0','')
mysql error: Duplicate entry 'dfaf23d9180698033bb8b582b8b78853' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 05.05.2024 @ 10:43
Script: /board.php?boardid=42&sid=048250d0bdbff56bd2700a0571342b0f
Referer: