_RequestTokenVerification not present

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MVC

Hello,

I am going through problem with Antiforgery __RequestTokenVerification not Present.

Am not getting this exception on the page or in application.

But using zap tool and run it i can see the exception in the event viewer.

I have use the attribute [HttpZPost], [ValidateAntiForgeryToken] in my controller and use the @Html.AntiforgeryToken() in all the view forms.

using jQuery and ajax call send data to server

$.fn.executeCommand = function(command, action) {
    $(this).each(function() {
        $(this).click(function() {
            action = action || $(this).data("action") || $(this).attr('href');
            var form = $("<form method='post' action='" + action + "'><input type='hidden' name='CommandName' value='" + command + "'></form>").appendTo($("body"));

            $('<input />').attr('type', 'hidden')
                .attr('name', "__RequestVerificationToken")
                .attr('value', $('#__AjaxAntiForgeryForm input[name=__RequestVerificationToken]').val())
                .appendTo(form);

            form.submit();
            return false;
        });
    });
};

Please help out how to resolve it.
Regards
sarfaraz