must derive from WebViewPage, or WebViewPage HATASI - SORUNU - ERROR

Server Error in '/' Application. SOLVED!!! ÇÖZÜLDÜ!!

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The view at '~/Areas/..../.../Index.cshtml' must derive from WebViewPage, or WebViewPage<TModel>.

Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.InvalidOperationException: The view at '~/Areas/.../.../Index.cshtml' must derive from WebViewPage, or WebViewPage<TModel>.

Source Error:

An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.

ÇÖZÜM YOLU:

hata veren .cshtml sayfamızın başına aşağıdaki kodu eklememiz gerekiyor.

@inherits System.Web.Mvc.WebViewPage

ENGLISH:
we need to add the following code at the beginning of our .cshtml page.

@inherits System.Web.Mvc.WebViewPage