Message in Spanish (Español)
No se proporcionó el rol (Role) para el extremo (End) con EntitySet <var>X</var> en AssociationSet <var>Y</var> y el extremo encontrado coincide con uno que ya está definido. Cambie EntitySet a uno que tenga un tipo de extremo diferente en Relationship.
Unlocalized message
The Role for the End with the EntitySet <var>X</var> in the AssociationSet <var>Y</var> was not supplied and the End found matches one that is already defined. Change the EntitySet to one which has a type of a different End of the Relationship.
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