gstr 3B of july.

Hey dear professional colleague pls suggest me I have included some invoices in gstr3b and these invoices are cancelled and are not included in the return of purchaser. And for these invoices i didn't deposited the tax for July. And due to this reason i am not able to file the return for the period of august. So pls guys tell me what should i do. Thanks applies in advance. Thannkkkksss.