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 ('b63e5299b8d36ee848d8956f9e8dd578','0','18.118.152.254','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1717655652','chartvote.php?=945beb32bdaa430ad06d4040285c574e','0','0','')
mysql error: Duplicate entry 'b63e5299b8d36ee848d8956f9e8dd578' for key 'PRIMARY'
mysql error number: 1062
mysql version: 10.1.48-MariaDB-0ubuntu0.18.04.1
php version: 7.4.33
Date: 06.06.2024 @ 08:34
Script: /chartvote.php?=945beb32bdaa430ad06d4040285c574e
Referer: http://www.karpfen-spezial.de/chartvote.php?=945beb32bdaa430ad06d4040285c574e