Request token retrieval failed:

RESPONSE:

Array
(
    [linkedin] => Array
        (
            [oauth_problem] => Scope NOT_AUTHORIZED : rw_groups, Scope NOT_AUTHORIZED : rw_nus, Scope NOT_AUTHORIZED : r_network, Scope NOT_AUTHORIZED : r_contactinfo, Scope NOT_AUTHORIZED : r_fullprofile, Scope NOT_AUTHORIZED : w_messages
        )

    [info] => Array
        (
            [url] => https://api.linkedin.com/uas/oauth/requestToken
            [content_type] => application/x-www-form-urlencoded;charset=UTF-8
            [http_code] => 403
            [header_size] => 873
            [request_size] => 476
            [filetime] => -1
            [ssl_verify_result] => 0
            [redirect_count] => 0
            [total_time] => 0.232285
            [namelookup_time] => 0.003666
            [connect_time] => 0.005056
            [pretransfer_time] => 0.012744
            [size_upload] => 0
            [size_download] => 290
            [speed_download] => 1248
            [speed_upload] => 0
            [download_content_length] => 290
            [upload_content_length] => 0
            [starttransfer_time] => 0.232262
            [redirect_time] => 0
            [certinfo] => Array
                (
                )

            [redirect_url] => 
        )

    [oauth] => Array
        (
            [header] => Authorization: OAuth realm="http%3A%2F%2Fapi.linkedin.com",oauth_version="1.0",oauth_nonce="08e23cdc3865c61183e034c1acc217a1",oauth_timestamp="1490828214",oauth_consumer_key="66wg73g1i6ee",oauth_callback="http%3A%2F%2Fwww.motionshows.com%2FLinkedin%2Flinkedcallback%2F",oauth_signature_method="HMAC-SHA1",oauth_signature="UM555h5HWLTk4m2a8LM%2FpIaRfLw%3D"
            [string] => POST&https%3A%2F%2Fapi.linkedin.com%2Fuas%2Foauth%2FrequestToken&oauth_callback%3Dhttp%253A%252F%252Fwww.motionshows.com%252FLinkedin%252Flinkedcallback%252F%26oauth_consumer_key%3D66wg73g1i6ee%26oauth_nonce%3D08e23cdc3865c61183e034c1acc217a1%26oauth_signature_method%3DHMAC-SHA1%26oauth_timestamp%3D1490828214%26oauth_version%3D1.0
        )

    [error] => OAuth callback URL was not confirmed by the LinkedIn end-point
    [success] => 
)


LINKEDIN OBJ:

LinkedIn Object
(
    [callback:protected] => http://www.motionshows.com/Linkedin/linkedcallback/
    [token:protected] => 
    [application_key:protected] => 66wg73g1i6ee
    [application_secret:protected] => rI1RGUhRDy3ZXC3s
    [response_format:protected] => xml
    [last_request_headers] => Array
        (
            [0] => Authorization: OAuth realm="http%3A%2F%2Fapi.linkedin.com",oauth_version="1.0",oauth_nonce="08e23cdc3865c61183e034c1acc217a1",oauth_timestamp="1490828214",oauth_consumer_key="66wg73g1i6ee",oauth_callback="http%3A%2F%2Fwww.motionshows.com%2FLinkedin%2Flinkedcallback%2F",oauth_signature_method="HMAC-SHA1",oauth_signature="UM555h5HWLTk4m2a8LM%2FpIaRfLw%3D"
            [1] => Content-Type: text/plain; charset=UTF-8
        )

    [last_request_url] => https://api.linkedin.com/uas/oauth/requestToken
)