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 ('5377c7306d6c1078ce3a23d49d016c2e','0','18.188.10.246','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715104162','thread.php?threadid=2039&sid=47da96c8a5a081253879e3e8e93e49fb','0','0','')
mysql error: Duplicate entry '5377c7306d6c1078ce3a23d49d016c2e' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 07.05.2024 @ 19:49
Script: /thread.php?threadid=2039&sid=47da96c8a5a081253879e3e8e93e49fb
Referer: