Not saved GSTR-1

jignesh (BUSINESS) (67 Points)

21 May 2021  
hello friends,

i am export onion, while file gstr 1 under table 6A, my data is not saved
because of it shows that Total IGST tax amount should be great than zero.but gst is not applicable on onion.
i used with payment of tax under 0%

what i should so that i can file my return??