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 ('26f118ab66ab15e6328fb2d419a08c66','0','3.146.105.194','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714470446','profile.php?userid=5649&sid=da23742954f05b5f979932b215613eae','0','0','')
mysql error: Duplicate entry '26f118ab66ab15e6328fb2d419a08c66' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.42-log
php version: 5.6.40
Date: 30.04.2024 @ 11:47
Script: /profile.php?userid=5649&sid=da23742954f05b5f979932b215613eae
Referer: