You must change the data type of these attributes in the physical layer before mapping them to the Logical Model.
To change the Ledger Dimension for the following attributes:
Double-click the dimension in the physical layer to modify the data type of any dimension.
Double-click Gen2, Ledger – LEDGER_ID_ALIAS and change the data type to double.
Click OK.
Double-click and change the data type to double.
Click OK.
To change the Date – Fiscal Calendar Dimension for the following attributes:
Double-click Fiscal Year attribute of Date - Fiscal Calendar and change the data type to double.
Click OK.