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 ('616831825c5be2c1c2119f76ede86aea','0','18.189.22.136','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715004105','thread.php?threadid=2000&goto=lastpost&sid=faeccd37bb2aebe1dbb5f07b02b070a8','0','0','')
mysql error: Duplicate entry '616831825c5be2c1c2119f76ede86aea' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 06.05.2024 @ 16:01
Script: /thread.php?threadid=2000&goto=lastpost&sid=faeccd37bb2aebe1dbb5f07b02b070a8
Referer: http://wehrbauten.de/thread.php?threadid=2000&goto=lastpost&sid=faeccd37bb2aebe1dbb5f07b02b070a8