the web.config file is not working on iis server 8.5 plesk go daddy

here is my code what should i do it gives me error Error ! Response code is 301. Body: Unknown body format Something went wrong. Please report issue. here is my code

<?xml version="1.0" encoding="UTF-8"?>
<configuration>
    <system.webServer>
        <rewrite>
            <rules>
                <clear />
                <rule name="rule 1v" stopProcessing="true">
                        <match url="^(.+)$"  />
                        <action type="Rewrite" url="/index.php?page={R:1}"  appendQueryString="true" />
                </rule>

            </rules>
        </rewrite>
    </system.webServer>
</configuration>