The basic foundation sheet.
When I go to Tiller>Budget>Start, I get a warning. “Spreadsheet Not CompatibleThis spreadsheet is already set up for monthly budgeting. The Tiller add-on is unable to install another budget into this spreadsheet.”
*I also followed the instructions here to no avail: *https://community.tiller.com/t/tiller-budget-via-tiller-add-on-comprehensive-guide/110