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 ('e5a620fdcdb1fc0b122197042ec72623','0','3.17.74.55','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715511428','register.php?sid=612cb5740790965b1e390652efe22a30','0','0','')
mysql error: Duplicate entry 'e5a620fdcdb1fc0b122197042ec72623' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 12.05.2024 @ 12:57
Script: /register.php?sid=612cb5740790965b1e390652efe22a30
Referer: