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 ('63c7fad18a03d6a1c91284645ff1d694','0','18.217.108.11','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714611964','memberslist.php?sid=8d474707568183c19a41c22b098544b7','0','0','')
mysql error: Duplicate entry '63c7fad18a03d6a1c91284645ff1d694' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 02.05.2024 @ 03:06
Script: /memberslist.php?sid=8d474707568183c19a41c22b098544b7
Referer: