title: mongodb show dbs listDatabases failed
body: <p>I am new to mongo db.
  I just installed mongo DB on my MAC,</p>
  
  <p>After watching this Youtube Video </p>
  
  <p><a href="https://www.youtube.com/watch?v=pWbMrx5rVBE&amp;t=369s" rel="nofollow noreferrer">https://www.youtube.com/watch?v=pWbMrx5rVBE&amp;t=369s</a></p>
  
  <p>In mongo shell, I entered show dbs and I get wired output.
  Kindly help me to understand and solve this</p>
  
  <pre><code>&gt; show dbs
  2017-09-11T02:45:34.298+0530 E QUERY    [thread1] Error: listDatabases failed:{
      "ok" : 0,
      "errmsg" : "unable to open cursor at URI statistics:table:collection-2-2362555297355466682. reason: No such file or directory",
      "code" : 43,
      "codeName" : "CursorNotFound"
  } :
  _getErrorWithCode@src/mongo/shell/utils.js:25:13
  Mongo.prototype.getDBs@src/mongo/shell/mongo.js:62:1
  shellHelper.show@src/mongo/shell/utils.js:769:19
  shellHelper@src/mongo/shell/utils.js:659:15
  @(shellhelp2):1:1
  </code></pre>