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 ('e3fc2b196267605f7dfd6c117097aae7','0','13.59.122.162','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1713549683','memberslist.php?sid=c609b93b924a5c23a551dbe5a143bd5d','0','0','')
mysql error: Duplicate entry 'e3fc2b196267605f7dfd6c117097aae7' for key 'PRIMARY'
mysql error number: 1062
mysql version: 10.1.26-MariaDB-0+deb9u1
php version: 5.3.29
Date: 19.04.2024 @ 20:01
Script: /wbb2/memberslist.php?sid=c609b93b924a5c23a551dbe5a143bd5d
Referer: