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 ('11e562b533db3216cca8f7a8778c2ccb','0','18.227.102.0','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715886260','board.php?boardid=778&sid=fd4ddf2ef3731ab32233458edf05c539','0','0','')
mysql error: Duplicate entry '11e562b533db3216cca8f7a8778c2ccb' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 16.05.2024 @ 21:04
Script: /board.php?boardid=778&sid=fd4ddf2ef3731ab32233458edf05c539
Referer: