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 ('4f5cf2ffcaa3bd36cc932601cc5b8eef','0','3.15.218.254','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714078747','board.php?boardid=124&sid=473ed0ba349db2d5a90eb3b08c99f2dc','0','0','')
mysql error: Duplicate entry '4f5cf2ffcaa3bd36cc932601cc5b8eef' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 25.04.2024 @ 22:59
Script: /board.php?boardid=124&sid=473ed0ba349db2d5a90eb3b08c99f2dc
Referer: