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 ('903487e69ea6c2d21a97a813113236df','0','18.117.8.216','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715438545','editpost.php?postid=113126&sid=0b39030cfddd6c30dfe90d8661b5a26b','0','0','')
mysql error: Duplicate entry '903487e69ea6c2d21a97a813113236df' for key 'PRIMARY'
mysql error number: 1062
mysql version: 10.6.16-MariaDB-0ubuntu0.22.04.1
php version: 5.6.40
Date: 11.05.2024 @ 16:42
Script: /editpost.php?postid=113126&sid=0b39030cfddd6c30dfe90d8661b5a26b
Referer: