<td>
{if $event.topay}
<div class="error">
- {if !$event.paid}
+ {if $event.paid eq 0}
Tu dois payer {$event.topay|replace:'.':','} €.
{elseif $event.paid < $event.topay}
Tu dois encore payer {math equation="a-b" a=$event.topay b=$event.paid|replace:'.':','} €