Оба конечных элемента EdmRelationshipAttribute для связи "<var>X</var>" имеют одинаковое имя роли "<var>Y</var>". Конечные элементы типа связи должны иметь разные имена Role.

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Both Ends on the EdmRelationshipAttribute for relationship '<var>X</var>' have the same Role name '<var>Y</var>'. The ends of a relationship type must have different Role names.

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