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 ('3aca547b873accc24c3a6c55b5459963','0','52.15.63.145','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714316002','profile.php?userid=608&sid=91c64733ca51313ec383c261ff7fd52d','0','0','')
mysql error: Duplicate entry '3aca547b873accc24c3a6c55b5459963' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 28.04.2024 @ 16:53
Script: /profile.php?userid=608&sid=91c64733ca51313ec383c261ff7fd52d
Referer: