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 ('451f2f1982242c6ecc250f3e7b4734e8','0','3.149.244.86','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715601977','index.php?sid=df67dbc6bec841a9dd346e9f57d6cada','0','0','')
mysql error: Duplicate entry '451f2f1982242c6ecc250f3e7b4734e8' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 13.05.2024 @ 14:06
Script: /index.php?sid=df67dbc6bec841a9dd346e9f57d6cada
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