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 ('50127f81068c03e7ce7520c7e5157483','0','18.222.180.118','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715829552','board.php?boardid=461&page=1&daysprune=1000&sortfield=views&sortorder=ASC&sid=966429a3283e4b96977f92aab0fe7b57','0','0','')
mysql error: Duplicate entry '50127f81068c03e7ce7520c7e5157483' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 16.05.2024 @ 05:19
Script: /board.php?boardid=461&page=1&daysprune=1000&sortfield=views&sortorder=ASC&sid=966429a3283e4b96977f92aab0fe7b57
Referer: