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 ('fcca99bdb97a77d74ea21e74e6cff38f','0','18.226.251.210','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715833602','editpost.php?postid=8367&sid=eb9f8080c9225645d6c949ac8f8582e2','0','0','')
mysql error: Duplicate entry 'fcca99bdb97a77d74ea21e74e6cff38f' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 16.05.2024 @ 06:26
Script: /editpost.php?postid=8367&sid=eb9f8080c9225645d6c949ac8f8582e2
Referer: