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 ('a2247a79697c0dd88e388ef6e3f59349','0','18.119.135.202','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714434442','memberslist.php?sid=b1761aa38609691b708e68f9abdf23a3','0','0','')
mysql error: Duplicate entry 'a2247a79697c0dd88e388ef6e3f59349' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 30.04.2024 @ 01:47
Script: /memberslist.php?sid=b1761aa38609691b708e68f9abdf23a3
Referer: