title: GetBase API return translation missing: en-US.activerecord.errors.models.deal.attributes.base.upgrade_required
body: <p>I am working with <a href="https://developers.getbase.com/docs/rest/reference/deals" rel="nofollow noreferrer">Base Api</a> with oAuth 2.0 authentication. As per the API, I need to POST json data to create anything through the api. Things working fine. I can get/create contacts as per their documentation. But when I want to create a Deal  <em>Ref: <a href="https://developers.getbase.com/docs/rest/reference/deals" rel="nofollow noreferrer">Deal Api Doc</a></em>, I am getting some error.</p>
  
  <p>Error</p>
  
  <pre><code>{
        "meta": {
          "http_status": "422 Unprocessable Entity",
          "type": "errors",
          "logref": "aech0-3arq9-kgulg-4sd10",
          "links": {
            "more_info": "https://developers.getbase.com/docs/rest/articles/errors"
          }
        },
        "errors": [
          {
            "error": {
              "resource": "deal",
              "code": "domain_error",
              "message": "translation missing: en-US.activerecord.errors.models.deal.attributes.base.upgrade_required"
            },
            "meta": {
              "links": {
                "more_info": "https://developers.getbase.com/docs/rest/articles/errors"
              },
              "type": "error"
            }
          }
        ]
      }
  </code></pre>
  
  <p>Data I am trying to POST is:</p>
  
  <pre><code>{"data":{"name":"VTB Test Deal","value":5,"contact_id":26857049,
          "custom_fields":{"website":"http:\/\/vtb.dev"}},
          "meta":{"type":"deal"}}
  </code></pre>
  
  <p>Unfortunately there is nothing in their documentation about this error. I tried to search about this error, only clue I got is, it might be related with RubyOnRails and Internationalization. </p>
  
  <p>The app I am working is based on Laravel 5.</p>