The Required Security form field "__requestverificationtoken" does not exist

The error message is: The Required security form field "__requestverificationtoken" does not exist. <%:html.antiforgerytoken ()%>

The notation in Mvc4 @Html. AntiForgeryToken ();

The above error is reported when there is no write in the view and there is a write on the action. The above error is also reported when the request is get. The error @Html is not reported when there is a write in view and the action does not write [Validateantiforgerytoken]. Raw (value)//output string with Html tag

The Required Security form field "__requestverificationtoken" does not exist