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 ('2daa4972b6ddfa12d20d1a537b16a884','0','18.118.119.229','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1716293523','addreply.php?postid=36423','0','0','')
mysql error: Duplicate entry '2daa4972b6ddfa12d20d1a537b16a884' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 21.05.2024 @ 14:12
Script: /addreply.php?postid=36423
Referer: