title: What does the "bad indentation of mapping entry" error mean in Swagger Editor?
body: <p>I'm getting the &quot;bad indentation of mapping entry&quot; error in the Swagger Editor for the OpenAPI definition below. Can anyone tell what's wrong with the code below?</p>
  <pre class="lang-yaml prettyprint-override"><code>      responses:
          '200':
            description: List all applicable errors for API
            headers:
              x-request-received-at:
                type: string
                description: A datetime stamp of when the request was received
              x-response-sent-at:
                type: string
                description: A datetime stamp of when the response was sent
            schema:
              $ref: '#/definitions/ErrorResponse'
          default:
            description: An unexpected error occurred
            schema:
              $ref: '#/definitions/Error'
     '/funeral/{contractReference}/agreement':
       get:
          summary: Get the funeral policy and debit order mandate agreement for the client to sign
          operationId: 
           - get801FuneralCoverPlanAgreementHtml
           - getAUTHORITYANDMANDATEFORPAYMENTINSTRUCTIONSHTML
          tags:
           - &quot;FuneralCoverService&quot;
           - &quot;InternalAPI&quot;
          parameters:
           - name: contractReference
          in: &quot;path&quot;
          required: true
          type: string
          description: &quot;Unique contract reference linked to the quote and estimate prepared for the client which should be used as input to the agreements.&quot;
          maxLength: 80
  </code></pre>
  <p><img src="https://i.stack.imgur.com/6Vhyu.png" alt="Swagger Editor: bad indentation of mapping entry error" /></p>