Error message

• Warning: Undefined array key 1 in Drupal\Core\StringTranslation\PluralTranslatableMarkup->render() (line 128 of core/lib/Drupal/Core/StringTranslation/PluralTranslatableMarkup.php).
• Deprecated function: strtr(): Passing null to parameter #1 ($string) of type string is deprecated in Drupal\Component\Render\FormattableMarkup::placeholderFormat() (line 257 of core/lib/Drupal/Component/Render/FormattableMarkup.php).