❔ The view 'GetModel1' was not found

An unhandled exception occurred while processing the request.
InvalidOperationException: The view 'GetModel1' was not found. The following locations were searched:
/Views/Home/GetModel1.cshtml
/Views/Shared/GetModel1.cshtml

        public IActionResult Index(string result)
        {
            TempData["Output"]=result;
            return View();

        }


        [HttpGet]
        public async Task<IActionResult> GetModel1(int x, int y, int z)
        {
            //need basic verification for non-integers

            var httpClient = new HttpClient();

            var url = $"http://localhost:8080/model1?x={x}&y={y}&z={z}";
            var response= await httpClient.GetAsync(url);
            var result= await response.Content.ReadAsStringAsync();
            return Index(result);
        }

@{
   string output= (string)TempData["Output"];
}
  <form method="GET" action="Home\GetModel1">

        <label for="x">Repayment status in September:</label><br>
        <input type="text" id="x" name="x" value="-1"><br>

        <label for="y">Repayment status in August:</label><br>
        <input type="text" id="y" name="y" value="-1"><br>

        <label for="z">Repayment status in July:</label><br>
        <input type="text" id="z" name="z" value="-1"><br><br>

        <input type="submit" value="Submit">
    </form>

<div class="text-center" id="Model1">@output</div>