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 ('60a86c1e1ca73a73599b7bdd129967bb','0','18.119.131.72','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715109595','board.php?boardid=741&sid=90e6cbfc3168da37937cb436866164e9','0','0','')
mysql error: Duplicate entry '60a86c1e1ca73a73599b7bdd129967bb' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 07.05.2024 @ 21:19
Script: /board.php?boardid=741&sid=90e6cbfc3168da37937cb436866164e9
Referer: