Attach file with original name to mail throws exception

->storeFileNamesIn('attachment_names')

$attachments = [];

  foreach ($this->template->attachments as $attachment) {
      $attachments[] = Attachment::fromStorageDisk('local', $attachment);
  }
  
  return $attachments;

Symfony\Component\Mime\Email::attachFromPath(): Argument #1 ($path) must be of type string, App\Mail\UserTemplate given

public function attachments(): array
  {
      $attachments = [];
      $attachment_names = $this->template->attachment_names;

      foreach ($this->template->attachments as $attachment) {
          $value = $attachment_names[$attachment] ?? null;
          $attachments[] = $this->attachFromStorageDisk('local', $attachment, $value);
      }

      return $attachments;
  }