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 ('1c4c34a97e30f59e143e3f8f2a02f136','0','18.191.109.201','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715309346','board.php?boardid=414&sid=e6eccc87e69731dec6be6a4786a30d1b','0','0','')
mysql error: Duplicate entry '1c4c34a97e30f59e143e3f8f2a02f136' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 10.05.2024 @ 04:49
Script: /board.php?boardid=414&sid=e6eccc87e69731dec6be6a4786a30d1b
Referer: