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 ('f616c678a98b36d4b185dffbf87cae1c','0','18.191.43.149','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715594421','board.php?boardid=535&sid=a55dbe98d6639799b5367a495126ae62','0','0','')
mysql error: Duplicate entry 'f616c678a98b36d4b185dffbf87cae1c' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 13.05.2024 @ 12:00
Script: /board.php?boardid=535&sid=a55dbe98d6639799b5367a495126ae62
Referer: