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 ('7cb4a73976c7a67322fec88d3121e335','0','216.73.216.113','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1750976248','thread.php?postid=13359','0','0','')
mysql error: Duplicate entry '7cb4a73976c7a67322fec88d3121e335' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 27.06.2025 @ 00:17
Script: /thread.php?postid=13359
Referer: