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 ('3d7ac18b2a4d126feea286383d9af131','0','3.16.203.149','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715757258','ts_index.php?sid=ba6d6662c949948402784d2033d05c2c','0','0','')
mysql error: Duplicate entry '3d7ac18b2a4d126feea286383d9af131' for key 'PRIMARY'
mysql error number: 1062
mysql version: 10.11.5-MariaDB-deb10-keen
php version: 5.3.29
Date: 15.05.2024 @ 09:14
Script: /ts_index.php?sid=ba6d6662c949948402784d2033d05c2c
Referer: