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 ('7716b8f6a60d07b71fee2f58fd838538','0','18.191.240.222','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715856896','thread.php?threadid=2392&threadview=1&hilight=&hilightuser=0&sid=56523df8d7c19c17f448e9e01c1aab4f','0','0','')
mysql error: Duplicate entry '7716b8f6a60d07b71fee2f58fd838538' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 16.05.2024 @ 12:54
Script: /thread.php?threadid=2392&threadview=1&hilight=&hilightuser=0&sid=56523df8d7c19c17f448e9e01c1aab4f
Referer: