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 ('63914610e7f712cec4b4d3ca6fb236ed','0','18.218.38.125','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715405884','board.php?boardid=192&sid=16e09d0a24916c3a47ba63b177a02309','0','0','')
mysql error: Duplicate entry '63914610e7f712cec4b4d3ca6fb236ed' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 11.05.2024 @ 07:38
Script: /board.php?boardid=192&sid=16e09d0a24916c3a47ba63b177a02309
Referer: