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 ('69af8efdca929e1f8a9e238f0e4445a4','0','18.119.118.99','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714578221','thread.php?threadid=14864&threadview=0&hilight=&hilightuser=0&sid=8fcddfcbd2df9d40a7c02ff7da6adf54&page=14','0','0','')
mysql error: Duplicate entry '69af8efdca929e1f8a9e238f0e4445a4' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.33-0ubuntu0.16.04.1
php version: 5.6.40
Date: 01.05.2024 @ 17:43
Script: /thread.php?threadid=14864&threadview=0&hilight=&hilightuser=0&sid=8fcddfcbd2df9d40a7c02ff7da6adf54&page=14
Referer: