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 ('fbbd73827afbdfb6564457c5bba9ac54','0','3.141.0.61','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714044068','board.php?boardid=567&sid=8acc9437d37da128660891636ddf6552','0','0','')
mysql error: Duplicate entry 'fbbd73827afbdfb6564457c5bba9ac54' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 25.04.2024 @ 13:21
Script: /board.php?boardid=567&sid=8acc9437d37da128660891636ddf6552
Referer: