SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6 pl2): Invalid SQL: INSERT INTO bb1_sessions (sessionhash,userid,ipaddress,useragent,lastactivity,request_uri,styleid,langid,authentificationcode) VALUES ('13d2dcfda21361c6aa5f0ecc770ab41f','0','18.119.19.217','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1718779702','chartvote.php?=d85e7fb7ae14e1a7b8506c1e6d933fba','0','0','')
mysql error: Duplicate entry '13d2dcfda21361c6aa5f0ecc770ab41f' for key 'PRIMARY'
mysql error number: 1062
mysql version: 10.1.48-MariaDB-0ubuntu0.18.04.1
php version: 7.4.33
Date: 19.06.2024 @ 08:48
Script: /chartvote.php?=d85e7fb7ae14e1a7b8506c1e6d933fba
Referer: http://www.karpfen-spezial.de/chartvote.php?=d85e7fb7ae14e1a7b8506c1e6d933fba