SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6 pl 2): Invalid SQL: INSERT INTO bb1_sessions (sessionhash,userid,ipaddress,useragent,lastactivity,request_uri,styleid,langid,authentificationcode) VALUES ('85d0d22a4fee10fe1348e2b1fee650b8','0','3.145.186.6','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)','1713522165','formmail.php?userid=2078&sid=965589d1ea399ae8e48bb3cae1130f65','0','0','')
mysql error: Duplicate entry '85d0d22a4fee10fe1348e2b1fee650b8' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.44
php version: 5.2.17
Date: 19.04.2024 @ 12:22
Script: /formmail.php?userid=2078&sid=965589d1ea399ae8e48bb3cae1130f65
Referer: http://your-wbb.de/formmail.php?userid=2078&sid=965589d1ea399ae8e48bb3cae1130f65