Using API with Industry Models in Map 3D show the following error when open Form Designer in Visual Studio 2022:
The base class 'Autodesk.Map.IM.Forms.Desktop.DocumentFlyIn' could not be loaded. Ensure the assembly has been referenced and that all projects have been built in AutoCAD Map3D 2024 and Visual studio 2022.
![sivaprasadyarlagadda2016_0-1700532623504.png sivaprasadyarlagadda2016_0-1700532623504.png](https://forums.autodesk.com/t5/image/serverpage/image-id/1295231i96940771598AE910/image-size/medium?v=v2&px=400)