SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.3): Invalid SQL: INSERT INTO bb1_sessions (sessionhash,userid,ipaddress,useragent,lastactivity,request_uri,styleid,langid,authentificationcode) VALUES ('156373c467c54f0a20d9fea7ac28dcf4','0','216.73.216.146','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1766694791','usercp.php?action=addsubscription&threadid=2462','0','0','')
mysql error: Duplicate entry '156373c467c54f0a20d9fea7ac28dcf4' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.33-0ubuntu0.16.04.1
php version: 7.0.33-0ubuntu0.16.04.16
Date: 25.12.2025 @ 21:33
Script: /board/usercp.php?action=addsubscription&threadid=2462
Referer: