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 ('dd779bf84499021baf171f58a2e17a71','0','18.217.15.228','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715886537','thread.php?goto=lastpost&threadid=894&sid=be0577802efedead499f35bcd32eb781','0','0','')
mysql error: Duplicate entry 'dd779bf84499021baf171f58a2e17a71' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 16.05.2024 @ 21:08
Script: /thread.php?goto=lastpost&threadid=894&sid=be0577802efedead499f35bcd32eb781
Referer: