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.NET Framework error in Português (Portuguese):

Quando um EntitySet ou AssociationSet inclui um mapeamento de função, todos os AssociationSets e entidades relacionados no EntityContainer também devem definir mapeamentos de função. Os seguintes conjuntos exigem mapeamentos de função: {0}.

English translation: If an EntitySet or AssociationSet includes a function mapping, all related entity and AssociationSets in the EntityContainer must also define function mappings. The following sets require function mappings: {0}.

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