After trying to view data from within Visual Studio to error messages appear:
Unable to access T-SQL components
An incompatible DacFx version is installed
Some might have seen this error before and the reason is quite simple. The installed Data-Tier Application Framework version and SQL Server Data Tools do not match the ones required by the database.
Just install the latest version from here:
And everything is working fine again.
Apparently the old link does not work any longer. This is the working download link for DacFx 2012. http://www.microsoft.com/en-us/download/details.aspx?id=36842