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 ('0fc76c0258d56c1ae8222aac275b0cdf','0','3.147.237.195','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1716050305','board.php?boardid=261&sid=7f133873522b6f87741dffb3016221d4','0','0','')
mysql error: Duplicate entry '0fc76c0258d56c1ae8222aac275b0cdf' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 18.05.2024 @ 18:38
Script: /board.php?boardid=261&sid=7f133873522b6f87741dffb3016221d4
Referer: