Problem with format of Quantity and Unit price in Line Items

We have invoices where the values of Quantity have the format "00.000" and the values of Unit Price have the format "00.0000".

Flexicapture for invoice read correct the values in the format described here above but in the validation we became the error message "The field value is ambiguous: integer or real" for the field Quantity and the error message "The field value is not a number" for the field Unit Price.

We have also the problem when the Quantity have value and format "10,000.00".
If the value is less than 10,000.00 we don't have the problem.

Is it possible to resolve this and keeping the format of the values read by Flexicapture?