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 ('48063653e79730ac0f244bc9deee6e33','0','18.224.39.32','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714702749','register.php?sid=b2a368c4696aa36b610e0b7575463e5e','0','0','')
mysql error: Duplicate entry '48063653e79730ac0f244bc9deee6e33' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 03.05.2024 @ 04:19
Script: /register.php?sid=b2a368c4696aa36b610e0b7575463e5e
Referer: