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 ('37e48d28c43f80a94c86c793cf5d64a9','0','18.117.102.235','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1716281311','thread.php?threadid=2917&page=1&sid=f0522458a2b79a05644fa004b0e5f195','0','0','')
mysql error: Duplicate entry '37e48d28c43f80a94c86c793cf5d64a9' for key 'PRIMARY'
mysql error number: 1062
mysql version: 10.6.16-MariaDB-0ubuntu0.22.04.1
php version: 5.6.40
Date: 21.05.2024 @ 10:48
Script: /thread.php?threadid=2917&page=1&sid=f0522458a2b79a05644fa004b0e5f195
Referer: