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 ('fbbc1244c1f1069c7f3acf0d7ab41b29','0','18.226.98.166','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715570057','board.php?boardid=708&sid=48a0fdf94f20863b5d0cccf3055b04fa','0','0','')
mysql error: Duplicate entry 'fbbc1244c1f1069c7f3acf0d7ab41b29' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 13.05.2024 @ 05:14
Script: /board.php?boardid=708&sid=48a0fdf94f20863b5d0cccf3055b04fa
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