NullReferenceException: Object reference not set to an instance of an object. MVC C#

I am trying to call assets in Razor View Page from localdb from path Pages/Catalog/Index.cshtml.

Getting nullreference.

Can someone please solve. See attached code.

To see error message. Start with IIS Express and go to link https://localhost:44308/Catalog

NullReferenceException: Object reference not set to an instance of an object.

[login to view URL]() in [login to view URL], line 20

20. @foreach (var asset in @[login to view URL])

.NET ASP.NET Programación en C# Servidor de Microsoft SQL MVC

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