CMN.ATO.GEN.XML03: A field contains invalid data

Invalid data might mean letters inside a numeric or date field. To resolve:
  1. Select the validation error.
  2. Select the print validation button.
  3. Towards the end of the description, if you find
    Hint: The actual length is greater than the MaxLength value
      then you'll need to shorten the description indicated in the error report. Error cmn.ato.gen.xml03 a field contains invalid data such as letters in numeric or date field.
Check each income item worksheet for the value to be corrected. Most likely the value is at item 1 worksheet.