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 ('aac34b338e235584527af3f556fa4542','0','216.73.216.176','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1758216979','thread.php?goto=lastpost&threadid=29205','0','0','')
mysql error: Duplicate entry 'aac34b338e235584527af3f556fa4542' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.33-0ubuntu0.16.04.1
php version: 5.6.40
Date: 18.09.2025 @ 19:36
Script: /thread.php?goto=lastpost&threadid=29205
Referer: