Using a comma in place of a period to designate the decimal causes the report generator to display an error message.
A comma can not be used to represent a decimal
Resolving the problem
Use a period to designate a decimal in order to generate reports successfully. You can choose a period to designate a decimal by performing the following steps:
-Press Format>Preferences to open the Preferences dialog box
-Select the editing mode that you are working in from the Preferences list
-Scroll down the Preferences list to the 'Decimal Sign' entry in the 'Item' column.
-Double left-click the 'Value' cell to the right of the 'Decimal Sign' entry. A Decimal Sign dialog box appears.
-Type a period '.' in the Decimal Sign dialog box and press OK.
-Press Apply and then OK in the Preferences dialog box.