angularjs - No Provider for TemplateRef! (ng2 bootstarp) -


i using ng2 bootstrap , updated angular cli 1.0 version after got above error here code. plz solve problem

☰ 

<ul class="nav navbar-nav ml-auto">     <li class="nav-item dropdown" dropdown (ontoggle)="toggled($event)">         <a class="nav-link dropdown-toggle" data-toggle="dropdown" href="#" role="button" aria-haspopup="true" aria-expanded="false"             dropdowntoggle>             <i class="icon-bell"></i> <span class="badge badge-pill badge-danger">5</span>         </a>         <div class="dropdown-menu dropdown-menu-right" dropdownmenu aria-labelledby="simple-dropdown">             <a class="dropdown-item" href="#"><i class="fa fa-envelope"></i> have 4 videos validate</a>             <a class="dropdown-item" href="#"><i class="fa fa-trophy"></i> need declare winners week 34</a>         </div>     </li>     <li class="nav-item dropdown" dropdown (ontoggle)="toggled($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="admin@tfc.com">             <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>

according docs looks missing * on dropdownmenu. should 

<div class="dropdown-menu dropdown-menu-right" *dropdownmenu aria-labelledby="simple-dropdown">

so *dropdownmenu requires *, dropdown directive not.

example docs:

<div class="btn-group" dropdown>   <button dropdowntoggle type="button" class="btn btn-primary dropdown-toggle">     button dropdown <span class="caret"></span>   </button>   <ul *dropdownmenu class="dropdown-menu" role="menu">     <li role="menuitem"><a class="dropdown-item" href="#">action</a></li>     <li role="menuitem"><a class="dropdown-item" href="#">another action</a></li>     <li role="menuitem"><a class="dropdown-item" href="#">something else here</a></li>     <li class="divider dropdown-divider"></li>     <li role="menuitem"><a class="dropdown-item" href="#">separated link</a>     </li>   </ul> </div>

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