Merge branch '6.1' into 6.2

* 6.1:
  Update Application.php
  Update validators.af.xlf

Author: derrabus

Application.php

@@ -264,7 +264,9 @@ public function doRun(InputInterface $input, OutputInterface $output)
                 $alternative = $alternatives[0];
 
                 $style = new SymfonyStyle($input, $output);
-                $style->block(sprintf('Command "%s" is not defined.', $name), null, 'error', ' ', true);
+                $output->writeln('');
+                $formattedBlock = (new FormatterHelper())->formatBlock(sprintf('Command "%s" is not defined.', $name), 'error', true);
+                $output->writeln($formattedBlock);
                 if (!$style->confirm(sprintf('Do you want to run "%s" instead? ', $alternative), false)) {
                     if (null !== $this->dispatcher) {
                         $event = new ConsoleErrorEvent($input, $output, $e);