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 ('33719128338bd3193dcf9285c88ae9e4','0','3.19.29.89','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715133762','markread.php?boardid=660&sid=a58c058b96483b41b8e0068156cb5a50','0','0','')
mysql error: Duplicate entry '33719128338bd3193dcf9285c88ae9e4' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 08.05.2024 @ 04:02
Script: /markread.php?boardid=660&sid=a58c058b96483b41b8e0068156cb5a50
Referer: http://wehrbauten.de/markread.php?boardid=660&sid=a58c058b96483b41b8e0068156cb5a50