Amendment of invoice in gst

Manohar Singh (277 Points)

06 December 2021  
sir
my invoice no.was. abc/2020-21/1234
dated 20/04/2021 in gstr 1

now I want to ammend it as. abc/2020/21/1234 dated 26-06-2021

but it is showing error with remark : either invoice no. or date is invalid.

it will be processed after validation.

processed with error.

(can I ammend both : invoice no. and date. )

please guide me how to ammend it.
thanking you
in advance to all of you my friends.