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 ('98cc4f16a470c1ce2b073b1f8def9234','0','18.221.175.164','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1716316083','index.php?sid=50d0cc973095bfe6bb6121bf8d8aa67f','0','0','')
mysql error: Duplicate entry '98cc4f16a470c1ce2b073b1f8def9234' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.42-log
php version: 5.6.40
Date: 21.05.2024 @ 20:28
Script: /index.php?sid=50d0cc973095bfe6bb6121bf8d8aa67f
Referer: