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 ('1a1bab1013f14341fcc0293333b469a6','0','3.143.4.181','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714085028','board.php?boardid=280&sid=6af28ff25844025dd7c32c2d3df46fe9','0','0','')
mysql error: Duplicate entry '1a1bab1013f14341fcc0293333b469a6' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 26.04.2024 @ 00:43
Script: /board.php?boardid=280&sid=6af28ff25844025dd7c32c2d3df46fe9
Referer: