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 ('810799af47c094cdbce50b30e0d8edb6','0','18.117.152.26','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1716028434','thread.php?goto=lastpost&threadid=1875&sid=dd88c8879e69152d965df6950162a87e','0','0','')
mysql error: Duplicate entry '810799af47c094cdbce50b30e0d8edb6' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 18.05.2024 @ 12:33
Script: /thread.php?goto=lastpost&threadid=1875&sid=dd88c8879e69152d965df6950162a87e
Referer: http://wehrbauten.de/thread.php?goto=lastpost&threadid=1875&sid=dd88c8879e69152d965df6950162a87e