SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6.pl2): Invalid SQL: INSERT INTO bb1_sessions (sessionhash,userid,ipaddress,useragent,lastactivity,request_uri,styleid,langid,authentificationcode) VALUES ('976c29d8c6fa0cd0aca6df188c784d39','0','3.22.249.158','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715486104','addreply.php?postid=9376&sid=6edbd9d2545835777af747a5c165185c','0','0','')
mysql error: Duplicate entry '976c29d8c6fa0cd0aca6df188c784d39' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.41
php version: 5.3.29
Date: 12.05.2024 @ 05:55
Script: /wbb2/addreply.php?postid=9376&sid=6edbd9d2545835777af747a5c165185c
Referer: