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 ('1dee873f8278fdd39be13ec6cdc58a54','0','18.226.214.84','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715890536','board.php?boardid=114&sid=be0fcfcc9c0f395ac4e2df1abee3efd5','0','0','')
mysql error: Duplicate entry '1dee873f8278fdd39be13ec6cdc58a54' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 16.05.2024 @ 22:15
Script: /board.php?boardid=114&sid=be0fcfcc9c0f395ac4e2df1abee3efd5
Referer: http://wehrbauten.de/board.php?boardid=114&sid=be0fcfcc9c0f395ac4e2df1abee3efd5