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 ('f33efe1c4314dc63ec52e8f2bfb6bd5d','0','3.149.29.112','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715616638','board.php?boardid=25&page=1&daysprune=1000&sortfield=vote&sortorder=ASC&sid=b59676a6264279dc687bb86478de99d7','0','0','')
mysql error: Duplicate entry 'f33efe1c4314dc63ec52e8f2bfb6bd5d' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 13.05.2024 @ 18:10
Script: /board.php?boardid=25&page=1&daysprune=1000&sortfield=vote&sortorder=ASC&sid=b59676a6264279dc687bb86478de99d7
Referer: