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 ('4884800c6761c8e46afbafd937267874','0','18.216.115.44','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1716104792','team.php?sid=df872731a069acc3125252872eb821ad','0','0','')
mysql error: Duplicate entry '4884800c6761c8e46afbafd937267874' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.42-log
php version: 4.4.9
Date: 19.05.2024 @ 09:46
Script: /board/team.php?sid=df872731a069acc3125252872eb821ad
Referer: