Unable to Add 3d models from EPIC Games Marketplace in NVRTXDI UE 5.3.2 Editor

Hi All,
Using NVRTXDI Editor for creating a new project in 5.3, but the UE marketplace isn’t showing the project opened in NVRTXDI UE 5.3 Editor,
Because of which unable to download the packages/models from UE Marketplace (The newly created Project isn’t showcasing in the window at all