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 ('c40f46342d5d5cfb371fb20ebfdc7dbb','0','52.15.160.43','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1716205592','addreply.php?postid=61151&sid=f99c5da3b4f1c734a396a4fe15dfabe1','0','0','')
mysql error: Duplicate entry 'c40f46342d5d5cfb371fb20ebfdc7dbb' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.42-log
php version: 5.6.40
Date: 20.05.2024 @ 13:46
Script: /addreply.php?postid=61151&sid=f99c5da3b4f1c734a396a4fe15dfabe1
Referer: