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 ('fa2229708c8e9c5296c369c02bec7381','0','18.226.251.217','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1716355023','addreply.php?action=quote&postid=84635&sid=9da73dace256b923436828577e21a9e5','0','0','')
mysql error: Duplicate entry 'fa2229708c8e9c5296c369c02bec7381' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.42-log
php version: 5.6.40
Date: 22.05.2024 @ 07:17
Script: /addreply.php?action=quote&postid=84635&sid=9da73dace256b923436828577e21a9e5
Referer: