@@ -, +, @@ --- Koha/Availability.pm | 1 + 1 file changed, 1 insertion(+) --- a/Koha/Availability.pm +++ a/Koha/Availability.pm @@ -226,6 +226,7 @@ sub _swaggerize_exception { $ret->{$name} = {}; foreach my $field ($exceptions->{$ex}->Fields) { my $val = $exceptions->{$ex}->$field; + return unless $val; if ($val =~ /^(\d{4})-(\d{2})-(\d{2})\s(\d{2}):(\d{2}):(\d{2})/) { eval { $val = dt_from_string($val, 'sql')->strftime('%FT%T%z'); --