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 ('fde88d1e90894abd3f2f66d978aad852','0','18.217.248.255','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1716248357','register.php?sid=5fe016e35dd5c450ac53b0551058e4d8','0','0','')
mysql error: Duplicate entry 'fde88d1e90894abd3f2f66d978aad852' for key 'PRIMARY'
mysql error number: 1062
mysql version: 10.1.48-MariaDB-0ubuntu0.18.04.1
php version: 7.4.33
Date: 21.05.2024 @ 01:39
Script: /register.php?sid=5fe016e35dd5c450ac53b0551058e4d8
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