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 ('305a115fbf62bc0375aedbc55816b864','0','18.217.130.138','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715841842','wiw.php?sid=4e006dd441209e7486a46c0ac3a90ef1','0','0','')
mysql error: Duplicate entry '305a115fbf62bc0375aedbc55816b864' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.42-log
php version: 5.6.40
Date: 16.05.2024 @ 08:44
Script: /wiw.php?sid=4e006dd441209e7486a46c0ac3a90ef1
Referer: