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 ('af008adf365fbc5fb9b851776413622a','0','3.145.59.187','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715135305','board.php?boardid=86&sid=59c178ab50848cb4172763dc96f1dce1','0','0','')
mysql error: Duplicate entry 'af008adf365fbc5fb9b851776413622a' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 08.05.2024 @ 04:28
Script: /board.php?boardid=86&sid=59c178ab50848cb4172763dc96f1dce1
Referer: