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 ('593fb143bc6eed93deef59a37b4160d1','0','18.191.46.36','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714958850','thread.php?goto=lastpost&threadid=1269&sid=b899ce52c70b310915a50d75da309fd1','0','0','')
mysql error: Duplicate entry '593fb143bc6eed93deef59a37b4160d1' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 06.05.2024 @ 03:27
Script: /thread.php?goto=lastpost&threadid=1269&sid=b899ce52c70b310915a50d75da309fd1
Referer: http://wehrbauten.de/thread.php?goto=lastpost&threadid=1269&sid=b899ce52c70b310915a50d75da309fd1