Esp8266 nodemcu

hello everyone
I have a problem running my program for esp8266 with blink

[Unformatted code removed by moderator]

When I run I get this error, what am I doing wrong?

@haro Please edit your post, using the pencil icon at the bottom, and add triple backticks at the beginning and end of your code so that it displays correctly.
Triple backticks look like this:

Copy and paste these if you can’t find the correct symbol on your keyboard.


You should read this…