->{start_percent} (and, thus, ->duration) may be undef

2 files changed, 6 insertions, 2 deletions

diff --git a/bin/dbris-m b/bin/dbris-m
index 698d668..527f421 100755
--- a/bin/dbris-m
+++ b/bin/dbris-m
@@ -601,7 +601,9 @@ if ($train_no) {
 	if ( my $min_percentage = min @start_percentages ) {
 		print ' ' x ( $min_percentage - 1 );
 	}
-	print $wr->direction == 100 ? '>' : '<';
+	if ( defined $wr->direction ) {
+		print $wr->direction == 100 ? '>' : '<';
+	}
 
 	for my $wagon ( $wr->carriages ) {
 		my $wagon_length  = $wagon->length_percent;
diff --git a/lib/Travel/Status/DE/DBRIS/Formation.pm b/lib/Travel/Status/DE/DBRIS/Formation.pm
index 1929820..2027462 100644
--- a/lib/Travel/Status/DE/DBRIS/Formation.pm
+++ b/lib/Travel/Status/DE/DBRIS/Formation.pm
@@ -118,7 +118,9 @@ sub parse_carriages {
 	$self->{train_numbers} = \@numbers;
 
 	if ( @{ $self->{carriages} // [] } > 1 ) {
-		if ( $self->{carriages}[0]->{start_percent}
+		if (    defined $self->{carriages}[0]->{start_percent}
+			and defined $self->{carriages}[-1]->{start_percent}
+			and $self->{carriages}[0]->{start_percent}
 			> $self->{carriages}[-1]->{start_percent} )
 		{
 			$self->{direction} = 100;