Gstr 1 Aug error filing issue in Gstr offline tool

hi,
this is the issue of Gstr1of aug offline tool
when we uploading the error file in offline tool ( 2.1 letest ) ,the file is full blank, nothing to be shown their.
but in portal error file generated and view the Gstr 1 of aug all column is correct,but only HSN wise columns is blank, which was filled be me in offline tool

please clarify why the error file is blank?