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 ('b5ce369d0d33d132f4043dd570825277','0','18.117.118.239','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1716143695','thread.php?threadid=8108&threadview=1&hilight=&hilightuser=0&sid=0140915910d932b7efce839f6bc6bfd6','0','0','')
mysql error: Duplicate entry 'b5ce369d0d33d132f4043dd570825277' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.42-log
php version: 5.6.40
Date: 19.05.2024 @ 20:34
Script: /thread.php?threadid=8108&threadview=1&hilight=&hilightuser=0&sid=0140915910d932b7efce839f6bc6bfd6
Referer: