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 ('facd44a0a2e8eeff4932d10b4187d327','0','18.190.156.80','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714440650','thread.php?goto=lastpost&threadid=573&sid=ecaa368da0f4b7fed8c5ce6ccbc40e6f','0','0','')
mysql error: Duplicate entry 'facd44a0a2e8eeff4932d10b4187d327' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 30.04.2024 @ 03:30
Script: /thread.php?goto=lastpost&threadid=573&sid=ecaa368da0f4b7fed8c5ce6ccbc40e6f
Referer: http://wehrbauten.de/thread.php?goto=lastpost&threadid=573&sid=ecaa368da0f4b7fed8c5ce6ccbc40e6f