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 ('10d76210509edca32bd9213f7269daf8','0','18.191.88.249','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714674098','search.php?sid=b9dacdd8798c2d5cde42a1f1344c587b','0','0','')
mysql error: Duplicate entry '10d76210509edca32bd9213f7269daf8' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.42-log
php version: 5.6.40
Date: 02.05.2024 @ 20:21
Script: /search.php?sid=b9dacdd8798c2d5cde42a1f1344c587b
Referer: