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 ('23250bfb192ecae04c7a357dcf7ce66a','0','3.15.156.140','claudebot','1713401680','board.php?boardid=63&sid=889b12ee6067d0be9cb367e414babb4e','0','0','')
mysql error: Duplicate entry '23250bfb192ecae04c7a357dcf7ce66a' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.44
php version: 5.2.17
Date: 18.04.2024 @ 02:54
Script: /board.php?boardid=63&sid=889b12ee6067d0be9cb367e414babb4e
Referer: http://your-wbb.de/board.php?boardid=63&sid=889b12ee6067d0be9cb367e414babb4e