SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6 pl 2): Invalid SQL: INSERT INTO bb1_sessions (sessionhash,userid,ipaddress,useragent,lastactivity,request_uri,styleid,langid,authentificationcode) VALUES ('50a40a4fccea56f08366543a9d850977','0','3.144.93.73','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)','1713586549','usercp.php?action=buddy&add=69347&sid=8653c858a6caaba824e147c5c5500780','0','0','')
mysql error: Duplicate entry '50a40a4fccea56f08366543a9d850977' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.44
php version: 5.2.17
Date: 20.04.2024 @ 06:15
Script: /usercp.php?action=buddy&add=69347&sid=8653c858a6caaba824e147c5c5500780
Referer: