Angular4 error: Uncaught Error: Template parse errors

what is the lack of introduction? I didn"t find it again.

  1. Template code snippet:
<div md-subheader class="header-container">
  <div>
    <h3>{{header}}</h3>
  </div>
  <div class="fill">
    <button md-button>
      <md-icon>add_circle_outline</md-icon>
      <span></span>
    </button>
  </div>
  <div>
    <button md-icon-button [mdMenuTriggerFor]="menu">
      <md-icon>keyboard_arrow_down</md-icon>
    </button>
  </div>
</div>

<md-menu -sharpmenu="mdMenu">
  <button md-menu-item>
    <md-icon>mode_edit</md-icon>
    <span></span>
  </button>
  <button md-menu-item>
    <md-icon [svgIcon]=""move""></md-icon>
    <span></span>
  </button>
  <button md-menu-item>
    <md-icon>delete_forever</md-icon>
    <span></span>
  </button>
</md-menu>

2.TS code snippet:

import { Component, OnInit, Input } from "@angular/core";

@Component({
  selector: "app-task-header",
  templateUrl: "./task-header.component.html",
  styleUrls: ["./task-header.component.scss"]
})
export class TaskHeaderComponent implements OnInit {

  @Input() header = "";

  constructor() { }

  ngOnInit() {
  }

}
Mar.28,2021

have you registered the component, in module

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