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 ('af3456475a67135df02b2242f0c97686','0','3.137.192.3','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1713997047','profile.php?userid=1575&sid=c79fd305bf89529c781dcea6fd83f340','0','0','')
mysql error: Duplicate entry 'af3456475a67135df02b2242f0c97686' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.44-log
php version: 5.6.40
Date: 25.04.2024 @ 00:17
Script: /wbb231/profile.php?userid=1575&sid=c79fd305bf89529c781dcea6fd83f340
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