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 ('9cb0e254ef78a0fffd9309d5d0bd5187','0','52.14.45.36','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1716173223','index.php?sid=ae9af1fb3828c3125cd0dbd2b5bf602f','0','0','')
mysql error: Duplicate entry '9cb0e254ef78a0fffd9309d5d0bd5187' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.42-log
php version: 5.6.40
Date: 20.05.2024 @ 04:47
Script: /index.php?sid=ae9af1fb3828c3125cd0dbd2b5bf602f
Referer: