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 ('3c678fc65ef7d01c06cd876c984ea253','0','18.189.43.211','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715542439','profile.php?userid=608&sid=054aca1a4293b1dac1204e40eaa85471','0','0','')
mysql error: Duplicate entry '3c678fc65ef7d01c06cd876c984ea253' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 12.05.2024 @ 21:33
Script: /profile.php?userid=608&sid=054aca1a4293b1dac1204e40eaa85471
Referer: http://wehrbauten.de/profile.php?userid=608&sid=054aca1a4293b1dac1204e40eaa85471