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 ('d5864457571d3a0331b2f3cd31693fe8','0','216.73.216.4','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1760984126','thread.php?goto=firstnew_thread&threadid=21880','0','0','')
mysql error: Duplicate entry 'd5864457571d3a0331b2f3cd31693fe8' for key 'PRIMARY'
mysql error number: 1062
mysql version: 10.6.15-MariaDB-log
php version: 7.4.33
Date: 20.10.2025 @ 20:15
Script: /thread.php?goto=firstnew_thread&threadid=21880
Referer: