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 ('69595036de4a068c9c4eaa8fc3d34585','0','3.136.234.163','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715732044','board.php?boardid=92&page=1&daysprune=1000&sortfield=lastposttime&sortorder=ASC&sid=9b252978bb3ad3ccabb4626ef025c837','0','0','')
mysql error: Duplicate entry '69595036de4a068c9c4eaa8fc3d34585' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 15.05.2024 @ 02:14
Script: /board.php?boardid=92&page=1&daysprune=1000&sortfield=lastposttime&sortorder=ASC&sid=9b252978bb3ad3ccabb4626ef025c837
Referer: http://wehrbauten.de/board.php?boardid=92&page=1&daysprune=1000&sortfield=lastposttime&sortorder=ASC&sid=9b252978bb3ad3ccabb4626ef025c837