Database error

ERROR From DB mySQL

DB Error: Database query failed!
» Error No: 1062
» Error detail: Duplicate entry '11700399' for key 'PRIMARY'
» Query: INSERT INTO bd_estore_online_users (id,store_id,sid,uid,username,usertype,ip,last_updated,last_page) VALUES (NULL,'28940','silmpkfa92f75v4ukjkg4i8tk4','0','Guest','0','54.225.38.2','2018-08-18 19:18:53','/galleries/page-4.html')