SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.4): Invalid SQL: INSERT INTO bb1_sessions (sessionhash,userid,ipaddress,useragent,lastactivity,request_uri,styleid,langid,authentificationcode) VALUES ('40e8d4b430a61802e33d4ed88b024fcc','0','3.135.183.89','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715205627','profile.php?userid=159307&sid=ed6559a3aa26bf4d610a2e4e24bc447f','0','0','')
mysql error: Duplicate entry '40e8d4b430a61802e33d4ed88b024fcc' for key 1
mysql error number: 1062
mysql version: 4.1.22-standard
php version: 5.3.29-1+hw8
Date: 08.05.2024 @ 18:00
Script: /wbb2/profile.php?userid=159307&sid=ed6559a3aa26bf4d610a2e4e24bc447f
Referer: