Обнаружено несколько элементов MessageEncodingBindingElement в BindingParameters контекста BindingContext. Это обычно связано с наличием нескольких элементов MessageEncodingBindingElements в CustomBinding. Удалите все элементы, кроме одного.

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Unlocalized message

More than one MessageEncodingBindingElement was found in the BindingParameters of the BindingContext. This usually is caused by having multiple MessageEncodingBindingElements in a CustomBinding. Remove all but one of these elements.

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