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 ('1428c9279083b86e87efbad5b658ee33','0','3.145.38.117','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714461243','formmail.php?userid=5628&sid=4ee5d99b1d76122f8876635538630675','0','0','')
mysql error: Duplicate entry '1428c9279083b86e87efbad5b658ee33' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.42-log
php version: 5.6.40
Date: 30.04.2024 @ 09:14
Script: /formmail.php?userid=5628&sid=4ee5d99b1d76122f8876635538630675
Referer: