RFD 01 offline tool

Firstly it shows INVOICE DATE CANNOT BE BEFORE 1/7/17 whereas the date been entered is after 1/7/17

Second it shows WRONG INVOICE SERIAL NUMBER whereas we are giving the invoice number supplied by the supplier

An older version of offline utility has been used to upload the statement. Kindly download the latest available offline utility from the refund application and upload the statement again..

Use then latest Offline Utility, you will not face any issue
Know more about GST Refund form RFD-01