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 ('f4dcd73000518119d0ab8452e00832da','0','3.144.39.93','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715904595','board.php?boardid=545&page=1&daysprune=1000&sortfield=replycount&sortorder=ASC&sid=a528dfb1e4f86501632738dc821e1216','0','0','')
mysql error: Duplicate entry 'f4dcd73000518119d0ab8452e00832da' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 17.05.2024 @ 02:09
Script: /board.php?boardid=545&page=1&daysprune=1000&sortfield=replycount&sortorder=ASC&sid=a528dfb1e4f86501632738dc821e1216
Referer: