Edit History

I have my backoffice, including the login page, if debug mode is off, white only with the words menu and help, don't know what else to do can anyone help?

  
<div class="bootstrap">
  <div class="page-head ">
    <div class="wrapper clearfix">
    
      <ul class="breadcrumb page-breadcrumb">
                
                
                      </ul>
    

    
      <h1 class="page-title">
                      </h1>
    

    
      <div class="page-bar toolbarBox">
        <div class="btn-toolbar">
          <a href="#" class="toolbar_btn dropdown-toolbar navbar-toggle" data-toggle="collapse"
             data-target="#toolbar-nav"><i class="process-icon-dropdown"></i>
            <div>Menu</div>
          </a>
          <ul id="toolbar-nav" class="nav nav-pills pull-right collapse navbar-collapse">
            
                                                  <li>
                <a class="toolbar_btn btn-help" href="https://help.prestashop.com//doc/AdminLogin?version=1.7.7.3&amp;country=" title="Ajuda">
                  <i class="process-icon-help"></i>
                  <div>Ajuda</div>
                </a>
              </li>
                      </ul>
                  </div>
      </div>
    

    </div>

      </div>