Fix error:

Key "statusCodes" for array with keys "method, uri, description, documentation, filters, requirements, parsedResponseMap, https, authentication, authenticationRoles, deprecated, id" does not exist in NelmioApiDocBundle::method.html.twig at line 182.

Sample:

 /**
     * Retrieves the list of categories (paginated) based on criteria.
     *
     * @ApiDoc(
     *  resource=true,
     *  output={"class"="Sonata\DatagridBundle\Pager\PagerInterface", "groups"={"sonata_api_read"}}
     * )
     *
     *
     * @QueryParam(name="page", requirements="\d+", default="1", description="Page for category list pagination")
     * @QueryParam(name="count", requirements="\d+", default="10", description="Number of categories by page")
     * @QueryParam(name="enabled", requirements="0|1", nullable=true, strict=true, description="Enabled/Disabled categories filter")
     * @QueryParam(name="context", requirements="\S+", nullable=true, strict=true, description="Context of categories")
     *
     * @View(serializerGroups="sonata_api_read", serializerEnableMaxDepthChecks=true)
     *
     * @param ParamFetcherInterface $paramFetcher
     *
     * @return PagerInterface
     */

Resources/views/method.html.twig

@@ -179,7 +179,7 @@
                             <td>
                                 <h4>
                                     {{ status_code }}
-                                    {% if data.statusCodes[status_code] is defined %}
+                                    {% if data.statusCodes is defined and data.statusCodes[status_code] is defined %}
                                         - {{ data.statusCodes[status_code]|join(', ') }}
                                     {% endif %}
                                 </h4>