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 ('90a98a72b4e20e5ddbcf7673acedcdff','0','3.14.132.214','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714332757','register.php?sid=af62646a54f7694b07047ed815e45e5a','0','0','')
mysql error: Duplicate entry '90a98a72b4e20e5ddbcf7673acedcdff' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.42-log
php version: 5.6.40
Date: 28.04.2024 @ 21:32
Script: /register.php?sid=af62646a54f7694b07047ed815e45e5a
Referer: