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 ('142616bbb10ddd43a54ab47b3ac7a223','0','18.223.125.19','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715965442','thread.php?threadid=4760&goto=lastpost&sid=3760afd205604d6564d6119629ae802a','0','0','')
mysql error: Duplicate entry '142616bbb10ddd43a54ab47b3ac7a223' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.42-log
php version: 5.6.40
Date: 17.05.2024 @ 19:04
Script: /thread.php?threadid=4760&goto=lastpost&sid=3760afd205604d6564d6119629ae802a
Referer: