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 ('0c1e572313405d7bd57b3d6b34d25e1e','0','18.219.22.169','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715184855','register.php?sid=fbc18cd4c89f17a9a0a5ce8e4ff22668','0','0','')
mysql error: Duplicate entry '0c1e572313405d7bd57b3d6b34d25e1e' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 08.05.2024 @ 18:14
Script: /register.php?sid=fbc18cd4c89f17a9a0a5ce8e4ff22668
Referer: http://wehrbauten.de/register.php?sid=fbc18cd4c89f17a9a0a5ce8e4ff22668