SQL-DATABASE ERROR

Database error in WoltLab Burning Board (): Invalid SQL: INSERT INTO bb1_sessions (sessionhash,userid,ipaddress,useragent,lastactivity,request_uri,styleid,langid,authentificationcode) VALUES ('c2ea54841893721e2f629dc6f81ebd48','0','18.226.222.12','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714602057','friedhof.php?sid=42a3a9c7b421d523d9d405b54434a275','0','0','')
mysql error: Duplicate entry 'c2ea54841893721e2f629dc6f81ebd48' for key 'PRIMARY'
mysql error number: 1062
mysql version: 10.5.23-MariaDB-0+deb11u1
php version: 5.6.40
Date: 02.05.2024 @ 00:20
Script: /friedhof.php?sid=42a3a9c7b421d523d9d405b54434a275
Referer: http://mainboard.ppg-clan.de/friedhof.php?sid=42a3a9c7b421d523d9d405b54434a275