Error: You cannot set the quantity for items of this type

QuickBooks Error message: There was an error when converting the quantity "1" in the field "item quantity".  You cannot set the the quantity for items of this type.

Occurs: When importing a transactions into QuickBooks and the Item that you are importing is not a Item type that has a quantity associated with it, QuickBooks will reject the transaction.

Resolution: Either unmap the quantity field on set the Quantity as empty for that row.