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I'm trying to launch the piece of code in this Wifi example: https://www.arduino.cc/en/Reference/WiFiConfig via Arduino.cc online editor, but I'm getting those errors:

/home/ubuntu/opt/libraries/latest/wifinina_1_2_0/src/utility/spi_drv.cpp:87:24: error: 'PINS_COUNT' was not declared in this scope

and

/home/ubuntu/opt/libraries/latest/wifinina_1_2_0/src/utility/spi_drv.cpp:97:15: error: 'NINA_GPIO0' was not declared in this scope

Do someone has an idea of how to solve this?

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Those kinds of errors are usually caused by the selection of an incorrect hardware in the IDE.

Choosing a correct board in the IDE will solve the compilation issue.

Since you said that you used the Arduino.cc online editor, I pasted your code into the editor.

You did not say which Arduino board or which WiFi module you are using, so I chose Arduino Uno WiFi board as a starting point.

Compiling the code produced the same errors as in the post.

Next I chose Arduino Uno WiFi Rev2 board, and compiled without errors.

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