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 ('6fac219ceefdf2c26ba03cf6bc8622e1','0','3.147.85.183','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715542038','thread.php?goto=lastpost&threadid=1382&sid=7a997c0b1bba2906300750f4d1ba36fe','0','0','')
mysql error: Duplicate entry '6fac219ceefdf2c26ba03cf6bc8622e1' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 12.05.2024 @ 21:27
Script: /thread.php?goto=lastpost&threadid=1382&sid=7a997c0b1bba2906300750f4d1ba36fe
Referer: http://wehrbauten.de/thread.php?goto=lastpost&threadid=1382&sid=7a997c0b1bba2906300750f4d1ba36fe