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 ('8a14edbeeb6232327a4c3a05a359a54a','0','18.223.211.3','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1744944410','thread.php?goto=lastpost&threadid=2172','0','0','')
mysql error: Duplicate entry '8a14edbeeb6232327a4c3a05a359a54a' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 18.04.2025 @ 04:46
Script: /thread.php?goto=lastpost&threadid=2172
Referer: http://gttempel.de/thread.php?goto=lastpost&threadid=2172