sub ToggleSuspend {
my ( $reserve_id, $suspend_until ) = @_;
- $suspend_until = output_pref( dt_from_string( $suspend_until ), 'iso' ) if ( $suspend_until );
+ $suspend_until = output_pref({ dt => dt_from_string( $suspend_until ), dateformat => 'iso' }) if ( $suspend_until );
my $do_until = ( $suspend_until ) ? '?' : 'NULL';