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 ('7a8174d397dc33fd3e22a5c667b1d7e2','0','3.129.23.110','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1734893306','thread.php?hilightuser=0&threadid=975&threadview=0','0','0','')
mysql error: Duplicate entry '7a8174d397dc33fd3e22a5c667b1d7e2' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 22.12.2024 @ 19:48
Script: /thread.php?hilightuser=0&threadid=975&threadview=0
Referer: http://gttempel.de/thread.php?hilightuser=0&threadid=975&threadview=0