wpf - Exception: 'IValueConverter' type does not have a public TypeConverter class -

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I have just run this exception in the IvalueConverter:

type of IValueConverter Do not have a public typewriter class

Has anyone else come on this? What is the reason, and how can I fix it? Thank you. Simple solution, as it turns out, I had referred to my value converter like this: 

  & lt; Binding path = "foreground" converter = "static resource brush to rbb converter" converter parameter = "b" />

In return: 

  & lt; Binding path = "foreground" converter = "{static resource brushesorbub converter}" converter parameter = "b" />

In other words, I left the braces from my converter context.


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