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 ('696cc06f23b29d8b9781f6ee1e201a74','0','3.138.122.195','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714278363','formmail.php?threadid=8021&sid=f37a8e51f6b0ac56b3aa3bcd312482ad','0','0','')
mysql error: Duplicate entry '696cc06f23b29d8b9781f6ee1e201a74' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.42-log
php version: 5.6.40
Date: 28.04.2024 @ 06:26
Script: /formmail.php?threadid=8021&sid=f37a8e51f6b0ac56b3aa3bcd312482ad
Referer: