Failed to fetch

Maps SDK for Web (JavaScript)
#1

I’m getting this error, and do not know why. Help please,

mapbox-gl.js

  1. Error {message: “Failed to fetch”}
  2. message: “Failed to fetch”
  3. proto: Object
#2

Can you share more details?
Did you provide your key properly?

#3

Thank you for your help. It was my mistake. Solved