DA Grids Error

I'm trying to use the DA Grids spreadsheet, but I'm getting a run-time error "Class not registered" for the code step below.  I didn't see this issue brought up on here before.  Any thoughts on getting around this?  The RAM SS version is

'Initialize DataAccess
Set RAMDataAcc1 = New RAMDATAACCESSLib.RamDataAccess1