This clears Treasury rows, entries, trackers, styles, colors, formulas, recurring rules, transactions, and undo/redo history from the database. It does not change config.php.
config.php
Type RESET to enable the reset button.
Select a spreadsheet row, then choose a tracker.
This lists repeating and configured entries. Use New Entry to create one, or select a spreadsheet row and use right-click Entry Settings to edit that entry.