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 ('4aaedae42f01f4ef58388b7465643bb2','0','18.97.9.170','CCBot/2.0 (https://commoncrawl.org/faq/)','1745620129','memberslist.php?sid=62305b7fbb33119f940775c30e8482c1','0','0','')
mysql error: Duplicate entry '4aaedae42f01f4ef58388b7465643bb2' for key 'PRIMARY'
mysql error number: 1062
mysql version: 10.6.21-MariaDB-0ubuntu0.22.04.2-log
php version: 5.6.40-nmm10
Date: 26.04.2025 @ 00:28
Script: /forum/memberslist.php?sid=62305b7fbb33119f940775c30e8482c1
Referer: