@FabianGlz this support link shows the steps to change your deco from router to AP mode. Double network address translation can cause issues at times. https://www.tp-link.com/us/support/faq/1842/

@FabianGlz have you reset your Netflix app on your smart tv and checked for firmware updates? What make and model is your smart tv?

@cazmo Much appreciated! I was having the exact issue starting yesterday. Every other streaming service worked fine Disney+, Amazon Prime, YouTube, etc. Netflix would fail to load and show Error...