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 ('69d4c232632d2d38c50f007772f6bd0c','0','3.139.82.23','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715166313','thread.php?threadid=2053&sid=fbf940a4b46b060241bd529b187fde5e','0','0','')
mysql error: Duplicate entry '69d4c232632d2d38c50f007772f6bd0c' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 08.05.2024 @ 13:05
Script: /thread.php?threadid=2053&sid=fbf940a4b46b060241bd529b187fde5e
Referer: http://wehrbauten.de/thread.php?threadid=2053&sid=fbf940a4b46b060241bd529b187fde5e