Jon Gallant

Solution to: Inheritance security rules violated by type: 'System.Web.Mvc.MvcWebRazorHostFactory'. Derived types must either match the security accessibility of the base type or be less accessible.

1 min read

Inheritance security rules violated by type: ‘System.Web.Mvc.MvcWebRazorHostFactory’. Derived types must either match the security accessibility of the base type or be less accessible.

Search your whole solution for references to MvcWebRazorHostFactory

<host factoryType="System.Web.Mvc.MvcWebRazorHostFactory, System.Web.Mvc, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" />


```text


Change it to:


```xml


<host factoryType="System.Web.Mvc.MvcWebRazorHostFactory, System.Web.Mvc, Version=5.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" />
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