Esp8266at won't compile

1

Hi, I’m new to arduino and I tried to work esp8266at but it won’t compile. any help would do. Thanks.

Arduino: 1.8.12 (Windows Store 1.8.33.0) (Windows 10), Board: "Arduino Uno"

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Error compiling for board Arduino Uno.
2

you are trying to compile for an arduino uno PCB…