i am trying to create a custom REST API
i use this guide https://inchoo.net/magento/configure-magento-rest-and-oauth-settings/
api2.xml file
<?xml version="1.0"?>
<config>
<api2>
<resource_groups>
<lovatapi_restapi translate="title" module="LovatApi_Restapi">
<title>Lovat Api</title>
<sort_order>10</sort_order>
</lovatapi_restapi>
</resource_groups>
<resources>
<lovatapi_restapi translate="title" module="LovatApi_Restapi">
<group>lovatapi_restapi</group>
<model>lovatapi_restapi/api2_restapi</model>
<title>Lovat API</title>
<sort_order>10</sort_order>
<privileges>
<admin>
<create>1</create>
</admin>
</privileges>
<attributes translate="" module="LovatApi_Restapi">
<from>from</from>
<to>to</to>
<p>p</p>
</attributes>
<routes>
<route_collection>
<route>/lovatapi</route>
<action_type>collection</action_type>
</route_collection>
</routes>
<versions>1</versions>
</lovatapi_restapi>
</resources>
</api2>
</config>
but when i try to do request to my api i get this
How to solve this problem?