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 ('3ce1b450e8f5b7690e1168b98ab67517','0','3.145.54.200','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715754729','board.php?boardid=157&sid=fe6f931f41bf7dc2f6a7308f56cd11c6','0','0','')
mysql error: Duplicate entry '3ce1b450e8f5b7690e1168b98ab67517' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 15.05.2024 @ 08:32
Script: /board.php?boardid=157&sid=fe6f931f41bf7dc2f6a7308f56cd11c6
Referer: