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 ('29ed475f15dbf9cae0ed88b84d388562','0','18.190.156.212','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715141058','thread.php?goto=lastpost&threadid=1670&sid=e68fb3f9fff5258f634224b896f357fa','0','0','')
mysql error: Duplicate entry '29ed475f15dbf9cae0ed88b84d388562' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 08.05.2024 @ 06:04
Script: /thread.php?goto=lastpost&threadid=1670&sid=e68fb3f9fff5258f634224b896f357fa
Referer: