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,'26921','g1teq31gk01bn6d88h7e8r66m7','0','Guest','0','54.198.23.251','2018-09-22 22:11:04','/news/page-3.html')