MVC Entity Framework error / EF Error

EF Error




From a page in IIS or a debug session in Visual Studio, you receive the following error:

The associated metadata type for type contains the following unknown properties or fields:

Please make sure that the names of these members match the names of the properties on the main type

Root Cause

The MetadataGenerator.cs file has references to out-of-date relationships.


Rebuild or edit the MetadataGenerator.cs file.  Since MetadataGenerator.cs is an autogenerated file.

Be careful that you don’t lose custom DataAnnotations that you have made for UI and client-side error handling.

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