title: Updating dynamoDB from dashboard, getting ConditionalCheckFailedException
body: <p>Im updating an item which has among other things a map string -> string.</p>
  
  <pre><code>id: 12312
  locales: Map {
    "en": "Hello",
    "fr": "Bonjour"
  }
  </code></pre>
  
  <p>Im trying to edit "Bonjour" and replace with something else, but dynamo fails with ConditionalCheckFailedException.</p>
  
  <p>Im doing this <strong>from the Dashboard</strong>, not from code.</p>
  
  <p>Interestingly I have another table with a map and in that table I had no problem updating a value.</p>
  
  <p>I have tried to remove the "fr" line and insert a new line but Im still getting an error. I haven't tried to remove, save, then insert, because this is prod, live data. Any idea what could be going wrong ? Thanks.</p>