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 ('f89d43b903d084629ee5b2dddd24219f','0','52.14.126.74','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715104632','board.php?boardid=136&sid=341254798133b2a63442550f176ae967','0','0','')
mysql error: Duplicate entry 'f89d43b903d084629ee5b2dddd24219f' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 07.05.2024 @ 19:57
Script: /board.php?boardid=136&sid=341254798133b2a63442550f176ae967
Referer: http://wehrbauten.de/board.php?boardid=136&sid=341254798133b2a63442550f176ae967