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 ('18816482970ffe3f129739b3187cad56','0','18.119.131.178','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1713953069','addreply.php?threadid=2127&sid=23b1e62aefb65af28c8866082747088a','0','0','')
mysql error: Duplicate entry '18816482970ffe3f129739b3187cad56' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 24.04.2024 @ 12:04
Script: /addreply.php?threadid=2127&sid=23b1e62aefb65af28c8866082747088a
Referer: