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 ('de345d305af34ad87d26249a88ca7fc8','0','3.145.166.7','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715027256','board.php?boardid=405&sid=7613800199635b3366948b43d45935ba','0','0','')
mysql error: Duplicate entry 'de345d305af34ad87d26249a88ca7fc8' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 06.05.2024 @ 22:27
Script: /board.php?boardid=405&sid=7613800199635b3366948b43d45935ba
Referer: