Bug in report - GST Calculation Worksheet for BAS

No sales or purchase invoices as per below:

GST Calculation Worksheet for BAS accounting basis sub-heading defaults to Accrual Basis:

and in the edit screen there is no option to change to Cash basis:


You can only change accounting basis if at least one invoice exists. The invoice can then be deleted.

There is a forum topic in which users, including two moderators, are encouraging the developer to change this.