Try to do this insert in your tv network settings manual dns 8.8.8.8 and corispondent ip, netmask, and gataway and try then.
Also before inserting new MPEG list do playlist reset on the site sip******* WARNING FRAUD **DON'T BUY** PLEASE REPORT TO ADMIN ******* then restart your app upload your list restart your app and try.
Let me know.