Microsoft Visual C++ Runtime Library

Assertion failed!

Program:
...\net8.0-windows\runtimes\win-x64\native\cimgui.DLL
File: D:\a\ImGui.NET-nativebuild\ImGui.NET-native...imgui.cpp
Line: 11039

Expression: (g.FrameCount == 0 || g.FrameCountEnded == g.FrameCount) && "Forgot to call Render() or EndFrame() at the end of the previous frame?"

For information on how your program can cause an assertion
failure, see the Visual C++ documentation on asserts

(Press Retry to debug the application - JIT must be enabled)

if i click ignore it works just fine so why does this happen