Please go to GSTR-1 and check the both colomn are Zeros and finaly go to GSTR1-other Details and make it all colomn Zeros 8A 8b 8c and save it than it Finaly submit than you will get progress in Return.
preview of documents issued with 0 values is generated but while submitting it , error is thrown : you have no invoice to submit GSTR-1. Anybody having any clue ?