Fails while generating master charts, after making most collateral files and the tranche burnups.
usage: make_charts.R [-h] │·································
scope_prefix scope_title showhidden report_date │·································
current_quarter_start next_quarter_start │·································
previous_quarter_start chart_start chart_end │·································
three_months_ago │·································
make_charts.R: error: unrecognized arguments: 2017-03-13