hello I just UPLOADE FILE IN LARAVL5 : please help
> 
> I'm going to upload a file but it does not work
> 

I will send the field with the meta name

> view

      <div class="panel-body">
                                    <div class="tab-content">
                                        <div class="tab-pane fade in active" id="tab1success">
                                            <form  method="post"  name="type"  action="songs">
                                                {{ csrf_field() }}
                                            <div class="form-group">
                                                <div class="row">
                                                    <label class="col-md-3 control-label" for="Name">نام موزیک</label>
                                                    <div class="col-md-7">
                                                        <div class="input-group">
                                                            <div class="input-group-addon">
                                                                <i class="fa fa-music">
                                                                </i>
                                                            </div>
                                                            <input id="Name" name="title" type="text"
                                                                   placeholder="نام موزیک" class="form-control input-md">
                                                        </div>
                                                    </div>
    
                                                </div>
                                                <br>
                                                <div class="row">
                                                    <label class="col-md-3 control-label" for="Name (Full name)">دسته
                                                        بندی</label>
                                                    <div class="col-md-7">
                                                        <div class="input-group">
                                                            <div class="input-group-addon">
                                                                <i class="fa fa-list">
                                                                </i>
                                                            </div>
                                                            <select id="Name" name="category" type="دسته بندی"
                                                                    placeholder="دسته بندی" class="form-control input-md">
                                                                <option>fun</option>
                                                                <option>love</option>
                                                                <option>birth</option>
                                                                <option>wedding</option>
                                                            </select>
                                                        </div>
                                                    </div>
    
                                                </div>
                                                <br>
                                                <div class="row">
                                                    <label class="col-md-3 control-label" for="Name (Full name)">توضیحات</label>
                                                    <div class="col-md-7">
                                                        <div class="input-group">
                                                            <div class="input-group-addon">
                                                                <i class="fa fa-file-text-o">
                                                                </i>
                                                            </div>
                                                            <textarea id="Name" name="text" placeholder="توضیحات"
                                                                      class="form-control input-md"></textarea>
                                                        </div>
                                                    </div>
                                                </div>
                                                <br>
                                                <div class="row">
                                                    <label class="col-md-3 control-label" for="Name (Full name)">انتخاب
                                                        فایل</label>
                                                    <div class="col-md-7">
                                                        <div class="input-group">
                                                            <div class="input-group-addon">
                                                                <i class="fa fa-folder-o">
                                                                </i>
                                                            </div>
                                                            <input id="meta" name="meta" type="file"  placeholder="انتخاب فایل"
                                                                   class="form-control input-md">
                                                        </div>
                                                    </div>
                                                </div>
                                                <br>
                                                <div class="row" style="text-align: center">
    
                                                    <div class="col-md-10 " style="text-align: center">
                                                        <button id="Name" name="submit" type="submit" placeholder="انتخاب فایل"
                                                                class="form-control input-md" style="text-align: center">اضافه
                                                        </button>
                                                    </div>
                                                </div>
                                            </div>
                                            </form>
                                        </div>
                                    </div>
                                </div>

Controller     

     public function create(Request $req, $type) {
            $this->authorize('is_admin');
        $req->file('meta')->store('app');
          // $path = Storage::putFile('app', $req->file('meta'))
        }
**error** 

Symfony \ Component \ Debug \ Exception \ FatalThrowableError (E_ERROR)
Call to a member function store() on null


[https://i.stack.imgur.com/5EMNy.png][1]


Does anybody know what i should do about this?