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 ('5584fe72432b78b4497c0956d51d853a','0','18.220.225.21','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1718417701','chartvote.php?=29b6bb357ff3180c7d5c0f1774bf4d6f','0','0','')
mysql error: Duplicate entry '5584fe72432b78b4497c0956d51d853a' for key 'PRIMARY'
mysql error number: 1062
mysql version: 10.1.48-MariaDB-0ubuntu0.18.04.1
php version: 7.4.33
Date: 15.06.2024 @ 04:15
Script: /chartvote.php?=29b6bb357ff3180c7d5c0f1774bf4d6f
Referer: http://www.karpfen-spezial.de/chartvote.php?=29b6bb357ff3180c7d5c0f1774bf4d6f