SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6 pl2): Invalid SQL: INSERT INTO bb1_sessions (sessionhash,userid,ipaddress,useragent,lastactivity,request_uri,styleid,langid,authentificationcode) VALUES ('993f1d704b566285470303c33dfde0da','0','216.73.216.226','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1748016833','thread.php?postid=24022','0','0','')
mysql error: Duplicate entry '993f1d704b566285470303c33dfde0da' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 23.05.2025 @ 18:13
Script: /thread.php?postid=24022
Referer: