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 ('8ea9fbd8d9afdd2c16fed8adbba83300','0','3.147.28.202','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715722887','addreply.php?action=quote&postid=106521&sid=938433dfe7985b753cfe173353eb7c81','0','0','')
mysql error: Duplicate entry '8ea9fbd8d9afdd2c16fed8adbba83300' for key 'PRIMARY'
mysql error number: 1062
mysql version: 10.6.16-MariaDB-0ubuntu0.22.04.1
php version: 5.6.40
Date: 14.05.2024 @ 23:41
Script: /addreply.php?action=quote&postid=106521&sid=938433dfe7985b753cfe173353eb7c81
Referer: