SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6pl2): Invalid SQL: INSERT INTO bb1_sessions (sessionhash,userid,ipaddress,useragent,lastactivity,request_uri,styleid,langid,authentificationcode) VALUES ('90f634870df4497b77b7917abdc82387','0','18.219.189.247','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714371994','addreply.php?action=quote&postid=67594&sid=5c61e50bc21571c1e159b202f6de6118','0','0','')
mysql error: Duplicate entry '90f634870df4497b77b7917abdc82387' for key 'PRIMARY'
mysql error number: 1062
mysql version: 10.1.48-MariaDB-0+deb9u2
php version: 5.2.6
Date: 29.04.2024 @ 08:26
Script: /addreply.php?action=quote&postid=67594&sid=5c61e50bc21571c1e159b202f6de6118
Referer: