ledger output

# ledger -f test.ledger budget

While evaluating value expression:
  ansify_if(justify((get_at(display_total, 1) ? (((100% * scrub(get_at(display_total, 0))) / (- scrub(get_at(display_total, 1)))) : 0)), 5, -1, true, false), (((color & get_at(display_total, 1)) & (abs((quantity(scrub(get_at(display_total, 0))) / quantity(scrub(get_at(display_total, 1))))) >= 1)) ? (magenta : null)))
                                                                                                                                                                                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
While converting -68.20EUR
50.00USD to an amount:
While calling function 'quantity -68.20EUR
50.00USD':
While calling function 'abs <#EXPR (quantity(scrub(get_at(display_total, {0}))) / quantity(scrub(get_at(display_total, {1}))))>':
While calling function 'ansify_if (<#EXPR justify((get_at(display_total, {1}) ? ((({100%} * scrub(get_at(display_total, {0}))) / (- scrub(get_at(display_total, {1})))) : {0})), {5}, {-1}, true, false)>, <#EXPR (((color & get_at(display_total, {1})) & (abs((quantity(scrub(get_at(display_total, {0}))) / quantity(scrub(get_at(display_total, {1}))))) >= {1})) ? (magenta : null))>)':
Error: Cannot convert a balance with multiple commodities to an amount

test.ledger

~ Monthly
  Expenses:Restaurants   100EUR
  Assets

2013/12/04 Fattoria La Vialla
    Expenses:Restaurants                     32.20EUR
    Assets:Cash

2013/12/07 ATM
    Assets:Cash                    50.00USD @ 0.72EUR
    Assets:Giro