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 ('9b633775e4b10f34390074d249ac7543','0','18.216.34.146','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714956508','addreply.php?action=quote&postid=9789&sid=173faa4170c5a3812ccdfc4f32afb8ed','0','0','')
mysql error: Duplicate entry '9b633775e4b10f34390074d249ac7543' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 06.05.2024 @ 02:48
Script: /addreply.php?action=quote&postid=9789&sid=173faa4170c5a3812ccdfc4f32afb8ed
Referer: