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 ('ccd8e112a732345f5a08afcb417e4a37','0','3.145.37.92','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715805593','formmail.php?userid=101&sid=1b33e2376f1e294faf6391eaae42c4dc','0','0','')
mysql error: Duplicate entry 'ccd8e112a732345f5a08afcb417e4a37' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.42-log
php version: 5.6.40
Date: 15.05.2024 @ 22:39
Script: /formmail.php?userid=101&sid=1b33e2376f1e294faf6391eaae42c4dc
Referer: