Severity Code Description Project File Line Suppression State
Error CS0234 The type or namespace name 'Layouts' does not exist in the namespace 'Microsoft.AspNetCore.Components' (are you missing an assembly reference?) CSInn.Presentation.Blazor C:\Users\fourj\Source\Repos\CSInn\src\CSInn.Presentation.Blazor_Imports.razor 3 Active
Severity Code Description Project File Line Suppression State Error CS0234 The type or namespace name 'Layouts' does not exist in the namespace 'Microsoft.AspNetCore.Components' (are you missing an assembly reference?) CSInn.Presentation.Blazor C:\Users\fourj\Source\Repos\CSInn\src\CSInn.Presentation.Blazor_Imports.razor 3 Active
Possible solution is here https://github.com/aspnet/AspNetCore/issues/13133
honestly I would suggest to wait until Microsoft releases .net core 3.0 without "preview" :)