SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6 pl2): Invalid SQL: INSERT INTO bb1_sessions (sessionhash,userid,ipaddress,useragent,lastactivity,request_uri,styleid,langid,authentificationcode) VALUES ('d2bd6d56d0d661372938154b068e53b2','0','18.225.8.35','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715726630','maple.php?sid=75a285464bada2c277a1500caf5a268b','0','0','')
mysql error: Duplicate entry 'd2bd6d56d0d661372938154b068e53b2' for key 'PRIMARY'
mysql error number: 1062
mysql version: 10.1.48-MariaDB-0ubuntu0.18.04.1
php version: 7.4.33
Date: 15.05.2024 @ 00:43
Script: /maple.php?sid=75a285464bada2c277a1500caf5a268b
Referer: