silverlight 5.0 - RIA Class Library EF5 , client project can not comile after adding domainservice class -


i have created ria service class library project targeting ef5 (i add reference entityframework.dll & microsoft.servicemodel.domainservices.entityframework) allow me create domain service class successfully.

my problem client project gives error "object reference not set instance of object" when try compile.

what reason of this, how can resolve ???

edit: i can tell error because entities metadata file contains undefined associations navigation properties, should add manually....


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