How to solve "Uncaught ReferenceError: ymaps is not defined"?

Question

Yandex maps

I am developing a website locally.
I am using pug.
I created a block with the class map and id="js-map"
.map#js-map
I created an api key on the Yandex website and connected it in the header.
I created a file and inserted the code from the site into it and connected it before body.
Changed id.

ymaps.ready(init);
function init(){
    // Создание карты.
    var myMap = new ymaps.Map("js-map", {
        // Координаты центра карты.
        // Порядок по умолчанию: «широта, долгота».
        // Чтобы не определять координаты центра карты вручную,
        // воспользуйтесь инструментом Определение координат.
        center: [55.76, 37.64],
        // Уровень масштабирования. Допустимые значения:
        // от 0 (весь мир) до 19.
        zoom: 7
    });
}

And I get the error
Uncaught ReferenceError: ymaps is not define

On the yandex site I found info that you can use this key locally.

Answer 1

The error occurs because you received a 400 response in response to a map script request.
Here is the correct connection link:
Documentation .

Answer 2

Problem solved. The code from point 2 did not fit. I rewrote the path to the file manually, everything worked.

Answer 3

Did font-awesome.min.css get included?