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 ('b763453a19734bb0bb8fa257de82e031','0','3.129.13.201','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714448435','addreply.php?action=quote&postid=80292&sid=f7a6d6b0e0d36cbd86e4b3e9d9ee82bf','0','0','')
mysql error: Duplicate entry 'b763453a19734bb0bb8fa257de82e031' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.42-log
php version: 5.6.40
Date: 30.04.2024 @ 05:40
Script: /addreply.php?action=quote&postid=80292&sid=f7a6d6b0e0d36cbd86e4b3e9d9ee82bf
Referer: