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 ('c009ec62b0c7a3515600f4cd9ec1b952','0','3.133.159.224','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714393100','board.php?boardid=248&daysprune=1000&sortfield=lastposttime&sortorder=ASC&sid=3a6f4751579c4a14ee054bab30f27c01','0','0','')
mysql error: Duplicate entry 'c009ec62b0c7a3515600f4cd9ec1b952' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 29.04.2024 @ 14:18
Script: /board.php?boardid=248&daysprune=1000&sortfield=lastposttime&sortorder=ASC&sid=3a6f4751579c4a14ee054bab30f27c01
Referer: