Ошибка статического впрыска Angular 5

<div *ngFor = "let session of sessions">
  <!-- chat mode -->
  <div [hidden] = "navState.key !== session.id">
    <!-- chat mode -->
    <div *ngIf = "session.modeName === 'chat'">
      <div class = "controls">
        <div class = "left-ctrls">
          <div class = "action"><i class = "icon-stop"></i><span>Ban</span></div>
          <div class = "action"><i class = "icon-clock"></i><span>Expire</span></div>
          <div class = "action"><i class = "icon-transfer"></i><span>Transfer</span></div>
          <div class = "action"><i class = "icon-add"></i><span>Invite</span></div>
          <div class = "action"><i class = "icon-join"></i><span>Join</span></div>
          <div class = "action"><i class = "icon-branch"></i><span>Takeover</span></div>
          <div class = "action"><i class = "icon-remove"></i><span>Remove</span></div>
        </div>
        <div class = "right-nav">
          <div class = "nav-link"><i class = "icon-cart"></i><span>Catalog</span></div>
          <div class = "nav-link"><i class = "icon-folder"></i><span>FAQ</span></div>
          <div class = "nav-link"><i class = "icon-calendar"></i><span>History</span></div>
        </div>
      </div>
      <div class = "page-body">
        <div class = "chat-area">
          <div class = "client-info">
            <div class = "device-info">
              <div><i class = "icon-mobile"></i></div>
              <div>
                <span>Mobile</span>
                <span>iOS/Safari</span>
              </div>
            </div>
            <div class = "visit-info">
              <span>Visits</span><span>1</span>
              <span>Chats</span><span>10</span>
              <span>Orders</span><span>10</span>
              <span>questions</span><span>5</span>
              <span>Products</span><span>2</span>
            </div>
          </div>
          <div class = "chat-header">
            <i class = "icon-browser"></i>&nbsp;&nbsp;<span>Page History</span>
          </div>
          <div class = "chat-view">
            <div *ngFor = "let message of session['transcript']">
                <nd-chat-bubble *ngIf = "!message.isNotification" [message] = "[message, session.modeName]"></nd-chat-bubble>
                <nd-chat-notification *ngIf = "message.isNotification" [message] = "message"></nd-chat-notification>
            </div>
          </div>
          <nd-chat-input
            [showPCSurveyBtn] = "currentWork?.showSurvey"
            [sessionMode] = "session.modeName"
            (messageEmitter) = "handleAdvocateInput($event)"
            (showPCSurvey) = "showSurvey = $event"
            ></nd-chat-input>
        </div>
      </div>
    </div>

    <!-- offline message mode -->
    <div *ngIf = "session.modeName === 'forms'">
      <div class = "controls">
        <div class = "left-ctrls">
          <div class = "action"><i class = "icon-stop"></i><span>Ban</span></div>
          <div class = "action"><i class = "icon-transfer"></i><span>Done</span></div>
        </div>
        <div class = "right-nav">
          <div class = "nav-link"><i class = "icon-cart"></i><span>Catalog</span></div>
          <div class = "nav-link"><i class = "icon-folder"></i><span>FAQ</span></div>
          <div class = "nav-link"><i class = "icon-calendar"></i><span>History</span></div>
        </div>
      </div>
      <div class = "page-body">
        <div class = "chat-area">
          <div class = "client-info">
            <div class = "device-info">
              <div><i class = "icon-mobile"></i></div>
              <div>
                <span>Mobile</span>
                <span>iOS/Safari</span>
              </div>
            </div>
            <div class = "visit-info">
              <span>Visits</span><span>1</span>
              <span>Chats</span><span>10</span>
              <span>Orders</span><span>10</span>
              <span>questions</span><span>5</span>
              <span>Products</span><span>2</span>
            </div>
          </div>
          <div class = "chat-header">
            <i class = "icon-browser"></i>&nbsp;&nbsp;<span>Page History</span>
          </div>
          <div class = "chat-view">
            <div class = "offline-msg-box">
                <div class = "msg-header">
                  <span>OFFLINE MESSAGE</span>
                  <span class = "dot"></span>
                  <span>{{session.customer}}</span>
                </div>
                <P [chatMessageBuilder] = "[session.forms, session.modeName]"></P>
            </div>
          </div>
          <nd-chat-input
            [sessionMode] = "session.modeName"
            (formsReply) = "submitFormsReply($event)">
          </nd-chat-input>
        </div>
      </div>
    </div>
  </div>
</div>