Error with Sharepoint Excel File

Hi all,

I have developed a simple Power BI dashbaord reading data from a Sharepoint Excel file, connection was fine and data were loaded correctly. When I opened again the pbix file I got this error: 

OLE DB or ODBC error: [DataSource.NotFound] Excel Workbook: The 'Microsoft.ACE.OLEDB.12.0' provider is not registered on the local machine. The 64-bit version of the Access Database Engine OLEDB provider may be required to read this type of file. To download the client software, visit the following site: ...

 

From Power Query I can see all the updated data (so connection to the file is fine), but I also see a bottom rows with all columns populated with "Error" with the same above error:

 

 

 

Any suggestion?

 

Thanks,

Andrea