سلام من هنگام آپدیت به این مشکل میخورم البته چند بار انجام دادم روابط هم دقت کردم
Severity Code Description Project File Line Suppression State
Error Error 111: Properties referred by the Principal Role Customers must be exactly identical to the key of the EntityType Accounting_DBModel.Customers referred to by the Principal Role in the relationship constraint for Relationship Accounting_DBModel.FK_Accounting_Customers1. Make sure all the key properties are specified in the Principal Role. Accounting.DataLayer C:\Users\SNOW\Desktop\Accounting\Accounting.DataLayer\AccountingModel.edmx 141
مخصوص اعضای ویژه 
