Assembly: System.Windows.Browser (in System.Windows.Browser.dll)
scriptAlias or type is null.
type is not public.
type does not have a public, parameterless constructor.
type is a string, primitive or value type, managed delegate, or empty string.
type contains an embedded null character (\0).
An attempt is made to reregister type.
For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.