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 ('6533e5d98bcf5ce0c93ca6fa9a34c1cb','0','18.118.135.250','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715743170','addreply.php?action=quote&postid=4317&sid=0ef9bd862d0fa53c02de102f715376f0','0','0','')
mysql error: Duplicate entry '6533e5d98bcf5ce0c93ca6fa9a34c1cb' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 15.05.2024 @ 05:19
Script: /addreply.php?action=quote&postid=4317&sid=0ef9bd862d0fa53c02de102f715376f0
Referer: