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 ('944e2306105b8247f5b3efee016f7a86','0','52.15.135.63','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715112483','report.php?postid=81124&sid=ce837e3a3c0e3b534e5e8803c9a103de','0','0','')
mysql error: Duplicate entry '944e2306105b8247f5b3efee016f7a86' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.42-log
php version: 5.6.40
Date: 07.05.2024 @ 22:08
Script: /report.php?postid=81124&sid=ce837e3a3c0e3b534e5e8803c9a103de
Referer: