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 ('9d38ec8997557ba3ed3651b2f306d77d','0','18.118.24.196','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1716256554','report.php?postid=54309&sid=446d4aa94ee3f34200d5275cbd2c0dbb','0','0','')
mysql error: Duplicate entry '9d38ec8997557ba3ed3651b2f306d77d' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.42-log
php version: 5.6.40
Date: 21.05.2024 @ 03:55
Script: /report.php?postid=54309&sid=446d4aa94ee3f34200d5275cbd2c0dbb
Referer: