title: date format error while merging files using stata
body: <p>I'm completely new to <strong>stata</strong>. I'm trying to merge 3 different datasets which have dates in them with format <em>(d-mmm-yy)</em>. While trying to merge i'm encountering with an error saying</p>
  
  <pre><code>date is str 9 in using data stata
  r(106)
  </code></pre>
  
  <p>I have no clue what this error is about. Need some help. I can provide any additional info if required.</p>
  
  <p>Thanks</p>