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 ('ec30be8490881c1b4f446e21a445ea62','0','18.188.115.118','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715656693','thread.php?postid=10900&sid=edf430f2630f4638eaa39e14b3e149ca','0','0','')
mysql error: Duplicate entry 'ec30be8490881c1b4f446e21a445ea62' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 14.05.2024 @ 05:18
Script: /thread.php?postid=10900&sid=edf430f2630f4638eaa39e14b3e149ca
Referer: http://wehrbauten.de/thread.php?postid=10900&sid=edf430f2630f4638eaa39e14b3e149ca