title: Insert failed - persistent minimongo 2
body: <p>I am using <a href="https://github.com/frozeman/meteor-persistent-minimongo2" rel="nofollow noreferrer">meteor-persistent-minimongo2</a> to store my data offline. Everything is working fine apart from an error that I am getting. Not able to figure out the real cause.</p>
  
  <pre><code>No message (1)
  insert failed: getErrorObject — aldeed_collection2-core.js:489
  doValidate — aldeed_collection2-core.js:471
  (anonymous function) — aldeed_collection2-core.js:223
  (anonymous function) — frozeman_persistent-minimongo2.js:2518
  (anonymous function) — frozeman_persistent-minimongo2.js:477
  (anonymous function) — meteor.js:1195
  promiseReactionJob
  </code></pre>
  
  <p><a href="https://i.stack.imgur.com/Wmajn.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/Wmajn.png" alt="enter image description here"></a>
  Please help in rectifying this error.</p>