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 ('c1289cf2e4fd7cfa518ab43555be0d44','0','18.191.200.35','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715881609','profile.php?userid=1&sid=231eb38277b471a64a8b19e36364c244','0','0','')
mysql error: Duplicate entry 'c1289cf2e4fd7cfa518ab43555be0d44' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 16.05.2024 @ 19:46
Script: /profile.php?userid=1&sid=231eb38277b471a64a8b19e36364c244
Referer: http://wehrbauten.de/profile.php?userid=1&sid=231eb38277b471a64a8b19e36364c244