VS 2012 Database Project "unresolved reference to object" Error

I solved this issue.

It seems a few of my views/SPs have referenced the tables using this naming convention ( 3 parts qualified name ):

DatabaseName.SchemaName.TableName

I changed all references to be as the following:

SchemaName.TableName

One other possibility is that the schema you have used in your view/table etc does not exist in the project. You may need to add the schema to the VS Database Project.

Right Click the project and Add > New Item > Schema

In my case, the function that couldn't be found was of Build Action=None and so it wasn't being included in the compile.

Changing the Build Action to Build corrected this.