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 ('2af4e614abb89674df1841d4c1da6c16','0','3.142.198.129','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715468185','markread.php?boardid=65&sid=5313b09b84527b8b4e2a60b68ed4341b','0','0','')
mysql error: Duplicate entry '2af4e614abb89674df1841d4c1da6c16' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 12.05.2024 @ 00:56
Script: /markread.php?boardid=65&sid=5313b09b84527b8b4e2a60b68ed4341b
Referer: