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 ('6f71f560331d739552194214faa0b58c','0','18.191.13.255','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715571469','board.php?boardid=255&sid=37a5fc579cfd4fe2693c6165d27f8e8d','0','0','')
mysql error: Duplicate entry '6f71f560331d739552194214faa0b58c' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 13.05.2024 @ 05:37
Script: /board.php?boardid=255&sid=37a5fc579cfd4fe2693c6165d27f8e8d
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