Gst - debit and credit notes

GSTR-1 STATES "DETAILS OF OUTWARD SUPPLY " ONLY , SO CAN WE SHOW SALES RETURNS IN GSTR-2 "DETAILS OF INWARD SUPPLY" .. ??

GSTR DOESNOT TALK ABOUT SALES OR PURCHASES , IT JUST STATES INWARD OR OUTWARD DETAILS , AND DEBIT AND CREDIT NOTE TECHINICALLY SPEAKS ABOUT INC OR DEC IN SALE PRICES , MISMATCH OF TAX DETAILS

Dear All,

I showed details of credit note in gstr1 under credit/debit ( registered) summary and click generate gstr1 summary for the month of sep17,but after an error massage showingi.e

Invalid original invoice details.invoice canot be tracked. Please enter correct invoice number and date

Please help me