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 ('26152387c9793aff0d5df6821c4438fb','0','18.221.53.209','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714768542','team.php?sid=dfcd389be616e5bc771e405f78c3f30e','0','0','')
mysql error: Duplicate entry '26152387c9793aff0d5df6821c4438fb' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 03.05.2024 @ 22:35
Script: /team.php?sid=dfcd389be616e5bc771e405f78c3f30e
Referer: http://wehrbauten.de/team.php?sid=dfcd389be616e5bc771e405f78c3f30e