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 ('c35f4bce7e08f63efd282ad62610a6f0','0','216.73.216.44','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1757653751','thread.php?postid=380','0','0','')
mysql error: Duplicate entry 'c35f4bce7e08f63efd282ad62610a6f0' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 12.09.2025 @ 07:09
Script: /thread.php?postid=380
Referer: