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 ('b3bc4a0681bd4a604545e5335a603981','0','3.135.190.113','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715514049','board.php?boardid=108&sid=8fb8a403174267ba6cd6486ced472970','0','0','')
mysql error: Duplicate entry 'b3bc4a0681bd4a604545e5335a603981' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 12.05.2024 @ 13:40
Script: /board.php?boardid=108&sid=8fb8a403174267ba6cd6486ced472970
Referer: