SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6 pl2): Invalid SQL: INSERT INTO bb1_sessions (sessionhash,userid,ipaddress,useragent,lastactivity,request_uri,styleid,langid,authentificationcode) VALUES ('9cdab1d7af191d696f86a60da948bdf9','0','18.227.46.54','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1734857493','thread.php?goto=nextnewest&threadid=1251','0','0','')
mysql error: Duplicate entry '9cdab1d7af191d696f86a60da948bdf9' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 22.12.2024 @ 09:51
Script: /thread.php?goto=nextnewest&threadid=1251
Referer: http://gttempel.de/thread.php?goto=nextnewest&threadid=1251