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,'29251','40cmghnrbte5pedsn86lad7vs3','0','Guest','0','54.198.23.251','2018-09-18 22:47:28','/news/page-3.html')