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 ('78fc6544949641a6a79d26d7b38206ac','0','52.14.130.13','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714607472','board.php?boardid=170&sid=9c32afccb09e059b0b6d070e09f61b1e','0','0','')
mysql error: Duplicate entry '78fc6544949641a6a79d26d7b38206ac' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 02.05.2024 @ 01:51
Script: /board.php?boardid=170&sid=9c32afccb09e059b0b6d070e09f61b1e
Referer: