title: I do not know the meaning of the error that is being displayed in the console
body: <p>I was trying to make a website on the meteor platform. Everything was going well but now I am encountering these errors which are mentioned below:<br/></p>
  
  <pre><code>&lt;strong&gt;Error: {{#each}} currently only accepts arrays, cursors or falsey values.&lt;br/&gt;
  Exception from Tracker recompute function:&lt;br/&gt;
  TypeError: Cannot read property '0' of null&lt;br/&gt;
      at builtins.js:237&lt;br/&gt;
      at Object.Tracker.nonreactive (tracker.js:589)&lt;br/&gt;
      at Object.eachView.stopHandle.ObserveSequence.observe.changedAt (builtins.js:229)&lt;br/&gt;
      at observe_sequence.js:274&lt;br/&gt;
      at Function._.each._.forEach (underscore.js:113)&lt;br/&gt;
      at diffArray (observe_sequence.js:260)&lt;br/&gt;
      at observe_sequence.js:108&lt;br/&gt;
      at Object.Tracker.nonreactive (tracker.js:589)&lt;br/&gt;
      at observe_sequence.js:82&lt;br/&gt;
      at Tracker.Computation._compute (tracker.js:323)&lt;br/&gt;&lt;/strong&gt;
  </code></pre>
  
  <p>I do not know from where these errors are coming. can any one help me regarding this. Apologies for any mistake in posting the question.</p>