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 ('93eef779a8da2359b6f86b700274a9be','0','18.118.28.197','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715608621','board.php?boardid=38&sid=9eeaf1114dab9088349030861a46ce4e','0','0','')
mysql error: Duplicate entry '93eef779a8da2359b6f86b700274a9be' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.42-log
php version: 5.6.40
Date: 13.05.2024 @ 15:57
Script: /board.php?boardid=38&sid=9eeaf1114dab9088349030861a46ce4e
Referer: