HTTP Request Result error 9

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:bust_in_silhouette: Asked By DodoIta

Hi,
following the tutorial on the docs, I make a request to an online API to retrieve a JSON file back, so I connect the request_completed signal with the following code:

func _on_HTTPRequest_request_completed(result, response_code, headers, body):
    if result != 0:
	    printerr("HTTPRequest Error: ", result, " ", response_code)
	    return

var json = JSON.parse(body.get_string_from_utf8())
print(json.result)

And the HTTPRequest node always returns a “RESULT_DOWNLOAD_FILE_CANT_OPEN” error (the request is accepted).
I can’t debug this kind of error, can anyone help me?