Я использую начальную загрузку ng2 и обновленную версию angular cli 1.0 после того, как эта ошибка возникла выше, вот мой код. не могли бы вы решить эту проблему
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<ul class="nav navbar-nav ml-auto">
<li class="nav-item dropdown" dropdown (onToggle)="toggled($event)">
<a class="nav-link dropdown-toggle" data-toggle="dropdown" href="#" role="button" aria-haspopup="true" aria-expanded="false"
dropdownToggle>
<i class="icon-bell"></i> <span class="badge badge-pill badge-danger">5</span>
</a>
<div class="dropdown-menu dropdown-menu-right" dropdownMenu aria-labelledby="simple-dropdown">
<a class="dropdown-item" href="#"><i class="fa fa-envelope"></i> You have 4 videos to Validate</a>
<a class="dropdown-item" href="#"><i class="fa fa-trophy"></i> Need to Declare winners for week 34</a>
</div>
</li>
<li class="nav-item dropdown" dropdown (onToggle)="toggled($event)">
<a class="nav-link dropdown-toggle" data-toggle="dropdown" href="#" role="button" aria-haspopup="true" aria-expanded="false"
dropdownToggle>
<img src="assets/img/avatars/6.jpg" class="img-avatar" alt="[email protected]">
<span class="hidden-md-down">Super Admin</span>
</a>
<div class="dropdown-menu dropdown-menu-right" dropdownMenu aria-labelledby="simple-dropdown">
<a class="dropdown-item" href="#"><i class="fa fa-key"></i> Change Password</a>
<a class="dropdown-item" href="#"><i class="fa fa-lock"></i> Logout</a>
</div>
</li>
</ul>