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 ('bbc9788f35e2c31fa1d012c9c49d5f70','0','18.222.3.255','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715895615','login.php?sid=fe686149b7194d4f4bdf2c004c2db5ec','0','0','')
mysql error: Duplicate entry 'bbc9788f35e2c31fa1d012c9c49d5f70' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 16.05.2024 @ 23:40
Script: /login.php?sid=fe686149b7194d4f4bdf2c004c2db5ec
Referer: