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 ('f86187495623ea1738d77c9fe28f5ff6','0','216.73.216.103','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1760766309','thread.php?goto=lastpost&threadid=1747','0','0','')
mysql error: Duplicate entry 'f86187495623ea1738d77c9fe28f5ff6' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 18.10.2025 @ 07:45
Script: /thread.php?goto=lastpost&threadid=1747
Referer: