Two models in single view EF core C# An expression tree may not contain a dynamic operation

I need to add two models to one single view. I am getting the error

An expression tree may not contain a dynamic operation

The coding what I tried mentioned below. There are two models one is a creating model another model is list type model I want to add the list type model in create model. The error I am getting is in Create.cshtml file.

Create.cshtml

@using F17_Support_Desk.Models;
@model dynamic;

@{
    ViewData["Title"] = "Create";
}

<h1>Create</h1>


<h4>RequisitionModel</h4>
<hr />
<div class="row">
    <div class="col-md-4">
        <form asp-action="Create">
            <div asp-validation-summary="ModelOnly" class="text-danger"></div>
            <div class="form-group">
                <label asp-for="Username" class="control-label"></label>
                <input asp-for="Username" class="form-control" value="@User.Identity.Name" disabled />
                <span asp-validation-for="Username" class="text-danger"></span>
            </div>
            <div class="form-group">
                <label asp-for="Department" class="control-label"></label>
                <input asp-for="Department" class="form-control" />
                <span asp-validation-for="Department" class="text-danger"></span>
            </div>
            <div class="form-group">
                <label asp-for="Details" class="control-label"></label>
                <input asp-for="Details" class="form-control" />
                <span asp-validation-for="Details" class="text-danger"></span>
            </div>
            <div class="form-group">
                <label asp-for="Period" class="control-label"></label><br />

                <input type="radio" name="Period" value="Yes" /> Yes
                <input type="radio" name="Period" value="No" /> No

                <span asp-validation-for="Period" class="text-danger"></span>
            </div>
            <div class="form-group">
                <label asp-for="EndDate" class="control-label"></label>
                <input asp-for="EndDate" class="form-control" />
                <span asp-validation-for="EndDate" class="text-danger"></span>
            </div>
            <div class="form-group">
                <input type="submit" value="Create" class="btn btn-primary" />
            </div>
        </form>
    </div>
</div>

<div>
    <a asp-controller="Home" asp-action="Index">Back to List</a><br />
    @ViewBag.msg
    <h3>@ViewBag.count</h3>
</div>

<table>

    @for (int i = 0; i < Model.SectionModels.Count; i++)
    {
        if (i % 4 == 0)
        {
            @:<tr></tr>
        }
        <td>
            @Html.CheckBoxFor(x => x.SectionModels[i].IsCheked, new { @class = "custom" })
            <label>@Model.SectionModels[i].SectionName</label>
            @Html.HiddenFor(x => x.SectionModels[i].SectionId)
            @Html.HiddenFor(x => x.SectionModels[i].SectionName)
        </td>
    }

</table>

@section Scripts {
    @{await Html.RenderPartialAsync("_ValidationScriptsPartial");}
}

Controller

using F17_Support_Desk.Models;
using Microsoft.AspNetCore.Mvc;
using System.Collections.Generic;
using System;
using System.Dynamic;
using System.Linq;

namespace F17_Support_Desk.Controllers
{
    public class RequisitionController : Controller
    {
        private readonly Connection _connection;

        public RequisitionController(Connection connection)
        {
            _connection = connection;
        }

        public IActionResult Index()
        {
            dynamic dy = new ExpandoObject();
            dy.list = getCheckBox();
            dy.req = Create();
            return View(dy);
        }

        public IActionResult Create()
        {
            return View();
        }

        [HttpPost]
        [ValidateAntiForgeryToken]
        public IActionResult Create(RequisitionModel requisitionModel, RequisitionSectionModel requisitionSectionModel)
        {
            try
            {
                if (!ModelState.IsValid)
                {
                    return View(requisitionModel);
                }
                Random random = new();
                requisitionModel.JobNumber = random.Next(0, 1000000);
                requisitionModel.DateOfComplaint = DateTime.UtcNow.Date;
                requisitionModel.Username = User.Identity.Name;

                _connection.Add(requisitionModel);
                _connection.SaveChanges();

                int lastId = requisitionModel.JobId;

                requisitionSectionModel.JobId_FK = lastId;
                _connection.Add(requisitionSectionModel);
                _connection.SaveChanges();

                if(requisitionModel.JobId == 0)
                {
                    return View(requisitionModel);
                }

                ViewBag.msg = "Requisition Recorded Your Reference number : " + requisitionModel.JobNumber;

                //return RedirectToAction(nameof(Enter name));
            }
            catch
            {
                ModelState.AddModelError("", "Something is Wrong");
                return View();
            }
            return View();
        }

        [HttpGet]
        public ActionResult getCheckBox()
        {
            //var sectionList = _connection.Sections.ToList();
            //return View(sectionList);

            ListSectionModel model = new ListSectionModel();
            model.SectionModels = _connection.Sections.ToList<SectionModel>();
            return View(model);
        }

        [HttpPost]
        public ActionResult postCheckBox(ListSectionModel listSection)
        {
            var list = listSection.SectionModels.Where(x => x.IsCheked == true).ToList<SectionModel>();

            return Content(String.Join(",", list.Select(x => x.SectionName)));
        }
    }
}