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 ('fc85f62e87e184fe95f25aaac2273773','0','3.144.77.71','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714911058','board.php?boardid=38&sid=39feab6ea75d5026b73810ad031dd893','0','0','')
mysql error: Duplicate entry 'fc85f62e87e184fe95f25aaac2273773' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 05.05.2024 @ 14:10
Script: /board.php?boardid=38&sid=39feab6ea75d5026b73810ad031dd893
Referer: http://wehrbauten.de/board.php?boardid=38&sid=39feab6ea75d5026b73810ad031dd893