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 ('a4d177305978f1593a2a6f1f0d705443','0','18.224.39.74','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714958097','newthread.php?boardid=339&sid=2425f9fe243d13a17b677523a3d4e5cc','0','0','')
mysql error: Duplicate entry 'a4d177305978f1593a2a6f1f0d705443' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 06.05.2024 @ 03:14
Script: /newthread.php?boardid=339&sid=2425f9fe243d13a17b677523a3d4e5cc
Referer: