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 ('9ecb4e0868d30ad6d1278199ea4222ef','0','3.144.28.65','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1716339286','profile.php?userid=693&sid=4d6c38afbdda2210edbbc8a44112b382','0','0','')
mysql error: Duplicate entry '9ecb4e0868d30ad6d1278199ea4222ef' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.42-log
php version: 5.6.40
Date: 22.05.2024 @ 02:54
Script: /profile.php?userid=693&sid=4d6c38afbdda2210edbbc8a44112b382
Referer: