Laravel Spatie backup with controller routes and views

BackupController.php

<?php
namespace App\Http\Controllers;

use Alert;
use Artisan;
use Carbon\Carbon;
use Log;
use Spatie\Backup\Helpers\Format;
use Storage;

class BackupController extends Controller
{
    public function __construct()
    {
        $this->middleware('auth');
    }

    public function index()
    {
        $disk = Storage::disk(config('backup.backup.destination.disks')[0]);
        $files = $disk->files(config('backup.backup.name'));
        $backups = [];
        // make an array of backup files, with their filesize and creation date
        foreach ($files as $k => $f) {
            // only take the zip files into account
            if (substr($f, -4) == '.zip' && $disk->exists($f)) {
                $backups[] = [
                    'file_path' => $f,
                    'file_name' => str_replace(config('backup.backup.name') . '/', '', $f),
                    'file_size' => Format::humanReadableSize($disk->size($f)),
                    'last_modified' => Carbon::createFromTimestamp($disk->lastModified($f)),
                ];
            }
        }
        // reverse the backups, so the newest one would be on top
        $backups = array_reverse($backups);
        return view("admin.backups")->with(compact('backups'));
    }
    public function create()
    {
        try {
            // start the backup process
            Artisan::call('backup:run', ['--only-db' => 'true']);
            $output = Artisan::output();
            // log the results
            Log::info("Backpack\BackupManager -- new backup started from admin interface \r\n" . $output);
            // return the results as a response to the ajax call
            Alert::success('New backup created');
            return redirect()->back();
        } catch (Exception $e) {
            Flash::error($e->getMessage());
            return redirect()->back();
        }
    }
    /**
     * Downloads a backup zip file.
     *
     * TODO: make it work no matter the flysystem driver (S3 Bucket, etc).
     */
    public function download($file_name)
    {
        $file = config('backup.backup.name') . '/' . $file_name;
        $disk = Storage::disk(config('backup.backup.destination.disks')[0]);
        if ($disk->exists($file)) {
            $fs = Storage::disk(config('backup.backup.destination.disks')[0])->getDriver();
            $stream = $fs->readStream($file);
            return \Response::stream(function () use ($stream) {
                fpassthru($stream);
            }, 200, [
                "Content-Type" => $fs->getMimetype($file),
                "Content-Length" => $fs->getSize($file),
                "Content-disposition" => "attachment; filename=\"" . basename($file) . "\"",
            ]);
        } else {
            abort(404, "The backup file doesn't exist.");
        }
    }
    /**
     * Deletes a backup file.
     */
    public function delete($file_name)
    {
        $disk = Storage::disk(config('backup.backup.destination.disks')[0]);
        if ($disk->exists(config('backup.backup.name') . '/' . $file_name)) {
            $disk->delete(config('backup.backup.name') . '/' . $file_name);
            return redirect()->back();
        } else {
            abort(404, "The backup file doesn't exist.");
        }
    }
}

backups-table.blade.php

@if (count($backups))
    <table class="table table-striped table-bordered">
        <thead class="thead-dark">
            <tr>
                <th>File</th>
                <th>Size</th>
                <th>Date</th>
                <th>Age</th>
                <th></th>
            </tr>
        </thead>
        <tbody>
            @foreach($backups as $backup)
                <tr>
                    <td>{{ $backup['file_name'] }}</td>
                    <td>{{ $backup['file_size'] }}</td>
                    <td>
                        {{ date('d/M/Y, g:ia', strtotime($backup['last_modified'])) }}
                    </td>
                    <td>
                        {{ diff_date_for_humans($backup['last_modified']) }}
                    </td>
                    <td class="text-right">
                        <a class="btn btn-primary" href="{{ url('backup/download/'.$backup['file_name']) }}">
                            <i class="fas fa-cloud-download"></i> Download</a>
                        <a class="btn btn-xs btn-danger" data-button-type="delete" href="{{ url('backup/delete/'.$backup['file_name']) }}">
                            <i class="fal fa-trash"></i>
                            Delete
                        </a>
                    </td>
                </tr>
            @endforeach
        </tbody>
    </table>
@else
    <div class="text-center py-5">
        <h1 class="text-muted">No existen backups</h1>
    </div>
@endif

backups.blade.php

@extends('layouts.crud')

@section('content')
    <div class="container -body-block pb-5">
        @card(['title' => 'Backups de la base de datos'])
            @component('ui.menu-nav')
                <li class="nav-item active mr-3">
                    <a href="{{ url('backup/create') }}" class="nav-link text-primary" title="Crear nuevo backup">
                        <i class="far fa-plus" aria-hidden="true"></i> Crear nuevo backup
                    </a>
                </li>
            @endcomponent
            <div class="py-4"></div>
            @include('admin.backups-table')
            <div class="py-3"></div>
        @endcard
    </div>
@endsection

card.blade.php

<div class="row">
  <div class="col">
    <div class="card">
      @isset($title)
        <div class="card-header">{{$title}}</div>
      @endisset
      <div class="card-body">
        {{ $slot }}
      </div>
    </div>
  </div>
</div>

crud.blade.php

<!DOCTYPE html>
<html lang="{{ config('app.locale') }}">
<head>
    <meta charset="utf-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <meta name="csrf-token" content="{{ csrf_token() }}">
    <title>{{ config('app.name', 'Sunnyface.com') }}</title>
    <link href="{{ asset('css/app.css') }}" rel="stylesheet">
    <script>
        window.AppRootData = {!! json_encode([
            'csrfToken' => csrf_token(),
            'state' => ['user' => Auth::user()]
        ]) !!};
    </script>
</head>
<body>
    <div id="app" class="boxx-wrapper">
        @include('parts.header.admin')
        <div class="album py-5 bg-light">
            @include('ui.errors')
            @yield('content')
        </div>
        @include('parts.footer')
        @stack('modals')
    </div>
    <!-- Scripts -->
    @if (app()->isLocal())
      <script src="{{ mix('js/app.js') }}"></script>
    @else
      <script src="{{ mix('js/manifest.js') }}"></script>
      <script src="{{ mix('js/vendor.js') }}"></script>
      <script src="{{ mix('js/app.js') }}"></script>
    @endif
    @stack('scripts')
</body>
</html>

helpers.php

<?php
use Carbon\Carbon;


function diff_date_for_humans(Carbon $date) : string
{
    return (new Jenssegers\Date\Date($date->timestamp))->ago();
}
function diff_string_for_humans($stringDate) : string
{
    $date = Jenssegers\Date\Date::createFromFormat('Y-m-d H:i:s', $stringDate);
    return (new Jenssegers\Date\Date($date))->ago();
}


function scannerTableLabel($stringDate) : string
{
    $now = Jenssegers\Date\Date::now();
    $date = Jenssegers\Date\Date::createFromFormat('Y-m-d H:i:s', $stringDate);
    $printDate = (new Jenssegers\Date\Date($date))->ago();
    $color = $now > $date ? 'info' : 'danger';

    $res = '<span class="badge badge-'.$color.'" style="color:white;">SCANNER: ';
    $res .= $printDate ;
    $res .= '</span>';

    return $res;
}

menu-nav.blade.php

<nav class="navbar navbar-expand-md navbar-light bg-light">
  <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#table-actions-nav-menu" aria-controls="table-actions-nav-menu" aria-expanded="false" aria-label="Toggle navigation">
    <span class="navbar-toggler-icon"></span>
  </button>
  <div class="collapse navbar-collapse" id="table-actions-nav-menu">
        <ul class="navbar-nav mr-auto mt-2 mt-lg-0">
            {{ $slot }}
        </ul>
  </div>
</nav>

web.php

Route::get('backup', 'BackupController@index');
Route::get('backup/create', 'BackupController@create');
Route::get('backup/download/{file_name}', 'BackupController@download');
Route::get('backup/delete/{file_name}', 'BackupController@delete');

Hi, Because its based on a plugin for backups from spatie, its trying to send you an email and this is the error you are getting i suppose.
use Spatie\Backup\Helpers\Format;

Check spatie plugin for further customization.