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 ('d436cedc7deb5b16b9cc555bc0c42f81','0','3.143.0.157','claudebot','1713494124','jgs_portal.php?sid=3de08a3e472ecad22d2722952ec53d63','0','0','')
mysql error: Duplicate entry 'd436cedc7deb5b16b9cc555bc0c42f81' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 19.04.2024 @ 04:35
Script: /jgs_portal.php?sid=3de08a3e472ecad22d2722952ec53d63
Referer: