Column XX in table dbo.YY is of a type that is invalid for use as a key column in an index.
Column XX in table dbo.YY is of a type that is invalid for use as a key column in an index. Entity Framework error after creating index and try to update the database. [Column(TypeName = "VARCHAR")] [StringLength(150)] [Index("INDEX_EmailItemCaseManager", IsUnique = false)] public string EmailItemCaseManager { get; set; }
