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 ('12db2ff7a7beb3068a8b8bc013e52454','0','216.73.216.44','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1757678606','thread.php?postid=11136','0','0','')
mysql error: Duplicate entry '12db2ff7a7beb3068a8b8bc013e52454' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 12.09.2025 @ 14:03
Script: /thread.php?postid=11136
Referer: