I\'ve been working on this problem for a few days and reaching out on this forum since I feel like I\'ve exhausted my options. I have a form hosted on a Drupal 7 website an
I had this same error in ASP.NET MVC and was finally able to get around it. I was generating a couple of hundred embedded forms in the page with each having @Html.AntiForgeryToken() . I believe this results in creating a cookie on the client side. Potentially IE was running out of space for the cookies (or something, who knows with IE). Removed it and my problem went away.