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 ('77a87dd4ec1cf9ce644ab297c33d6feb','0','3.147.36.213','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715459347','thread.php?goto=lastpost&threadid=558&sid=130dc14c67c36cb9bebb55c69f1fd139','0','0','')
mysql error: Duplicate entry '77a87dd4ec1cf9ce644ab297c33d6feb' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 11.05.2024 @ 22:29
Script: /thread.php?goto=lastpost&threadid=558&sid=130dc14c67c36cb9bebb55c69f1fd139
Referer: