SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6 pl 2): Invalid SQL: INSERT INTO bb1_sessions (sessionhash,userid,ipaddress,useragent,lastactivity,request_uri,styleid,langid,authentificationcode) VALUES ('6e7fc7996ec0c5f27217674d6ae018a1','0','18.218.38.125','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)','1713920893','addreply.php?postid=265478&sid=d83b13cc95f00657d010d9b7fb6636c8','0','0','')
mysql error: Duplicate entry '6e7fc7996ec0c5f27217674d6ae018a1' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.44
php version: 5.2.17
Date: 24.04.2024 @ 03:08
Script: /addreply.php?postid=265478&sid=d83b13cc95f00657d010d9b7fb6636c8
Referer: