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 ('1be3de546406548415ca5313041cf8f6','0','3.145.102.249','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1716023226','formmail.php?userid=35&sid=dda9dbc7db10d18e6c9f0a7656476082','0','0','')
mysql error: Duplicate entry '1be3de546406548415ca5313041cf8f6' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.42-log
php version: 5.6.40
Date: 18.05.2024 @ 11:07
Script: /formmail.php?userid=35&sid=dda9dbc7db10d18e6c9f0a7656476082
Referer: