Помогите исправьте пожалуйста мой код выдает ошибку

#include <Windows.h>
#include <TlHelp32.h>
#include <iostream>
#include <cmath>
#include <numbers>
#include <thread>
#include <d3d11.h>
#include <tchar.h>
#include <dwmapi.h>

#include "../src/mem/mem.hpp"
#include "../src/math/math.hpp"
#include "../src/offsets/offsets.hpp"

#include <imgui.h>
#include <imgui_impl_dx11.h>
#include <imgui_impl_win32.h>
#include <instance.h>




extern IMGUI_IMPL_API LRESULT ImGui_ImplWin32_WndProcHandler(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam);



LRESULT CALLBACK window_procedure(HWND window, UINT message, WPARAM w_param, LPARAM l_param)
{
if (ImGui_ImplWin32_WndProcHandler(window, message, w_param, l_param))
{
return 0L;
}

if (message == WM_DESTROY)
{
PostQuitMessage(0);
return 0L;
}

return DefWindowProc(window, message, w_param, l_param);
}


INT APIENTRY WinMain(HINSTANCE intstance, HINSTANCE, PSTR, INT cmd_show)
{


WNDCLASSEXW wc = {};
wc.cbSize = sizeof(WNDCLASSEXW);
wc.style = CS_HREDRAW | CS_VREDRAW;
wc.lpfnWndProc = window_procedure;
wc.hInstance = instance;
wc.lpszClassName = L"Extern Overlay Class";

RegisterClass(&wc);




}

код выдает ошибку в