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 ('08b0613a4affa6c6424a5b1d0db23f33','0','18.188.38.142','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715475720','board.php?boardid=411&page=1&daysprune=1000&sortfield=topic&sortorder=ASC&sid=e48bf3bf540d8d12d60dc6e9af5e213e','0','0','')
mysql error: Duplicate entry '08b0613a4affa6c6424a5b1d0db23f33' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 12.05.2024 @ 03:02
Script: /board.php?boardid=411&page=1&daysprune=1000&sortfield=topic&sortorder=ASC&sid=e48bf3bf540d8d12d60dc6e9af5e213e
Referer: