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 ('1524d7a6fe800e175f89d18390bde388','0','3.16.67.13','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715652778','board.php?boardid=648&sid=87c73ef8f6b749b70dae0da58c60e92d','0','0','')
mysql error: Duplicate entry '1524d7a6fe800e175f89d18390bde388' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 14.05.2024 @ 04:12
Script: /board.php?boardid=648&sid=87c73ef8f6b749b70dae0da58c60e92d
Referer: