title: Error Error trying to diff '[object Object]'. Only arrays and iterables are allowed
body: <p>project.component.ts</p>
  
  <pre><code>ngOnInit() {
      this.pro.getAll().subscribe(
        respose =&gt; {
          console.log(respose);
          this.projects = respose;
        },
        () =&gt; console.log('error')
      );
    }
  </code></pre>
  
  <p>projectservice.ts</p>
  
  <pre><code>getAll():Observable&lt;Project[]&gt;{
          return this.http.get&lt;Project[]&gt;(this.link);
   }
  </code></pre>
  
  <p>project.component.html</p>
  
  <pre><code>&lt;ul *ngFor="let p of projects"&gt;
      &lt;li&gt;{{p.name}}&lt;/li&gt;
  &lt;/ul&gt;
  </code></pre>
  
  <p>by console 
  ERROR Error: "Error trying to diff '[object Object]'. Only arrays and iterables are allowed"
      Angular 7
      View_ProjectComponent_0 ProjectComponent.html:47
      Angular 23
      RxJS 5
      Angular 9</p>