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 ('8ae4de91851470ae619c4946b804a70a','0','3.133.159.224','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1713539780','thread.php?threadid=3978&sid=563a495417012719a81c618d76549d9a','0','0','')
mysql error: Duplicate entry '8ae4de91851470ae619c4946b804a70a' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.42-log
php version: 5.6.40
Date: 19.04.2024 @ 17:16
Script: /thread.php?threadid=3978&sid=563a495417012719a81c618d76549d9a
Referer: