I've been getting this error apparently randomly, and it completely interrupts the process the user is currently in.  What does this error mean and how can it be solved:

In Not Full-Trusted Application,Editor Setting Can't Be Saved,And The EditorSetting Can't Be Restored After The Application Restarted.

[ArgumentException: In Not Full-Trusted Application,Editor Setting Can't Be Saved,And The EditorSetting Can't Be Restored After The Application Restarted.] CuteEditor.EditorSetting.LoadSettingData(String hash) +280 CuteEditor.EditorSetting..ctor(Editor editor, String hash) +236 CuteEditor.EditorSetting.GetFromHash(HttpContext context, Editor editor, String hash) +196 CuteEditor.Editor.LoadViewState(Object savedState) +79 System.Web.UI.Control.LoadViewStateRecursive(Object savedState) +136 System.Web.UI.Control.LoadViewStateRecursive(Object savedState) +414 System.Web.UI.Control.LoadViewStateRecursive(Object savedState) +414 System.Web.UI.Page.LoadPageViewState() +305 System.Web.UI.Page.ProcessRequestMain() +447