Request token retrieval failed:

RESPONSE:

Array
(
    [linkedin] => Array
        (
        )

    [info] => Array
        (
            [url] => https://api.linkedin.com/uas/oauth/requestToken
            [content_type] => 
            [http_code] => 410
            [header_size] => 521
            [request_size] => 528
            [filetime] => -1
            [ssl_verify_result] => 0
            [redirect_count] => 0
            [total_time] => 0.264703
            [namelookup_time] => 0.000774
            [connect_time] => 0.061782
            [pretransfer_time] => 0.194555
            [size_upload] => 0
            [size_download] => 0
            [speed_download] => 0
            [speed_upload] => 0
            [download_content_length] => 0
            [upload_content_length] => -1
            [starttransfer_time] => 0.264684
            [redirect_time] => 0
            [redirect_url] => 
            [primary_ip] => 144.2.15.4
            [certinfo] => Array
                (
                )

            [primary_port] => 443
            [local_ip] => 172.31.22.8
            [local_port] => 49738
        )

    [oauth] => Array
        (
            [header] => Authorization: OAuth realm="http%3A%2F%2Fapi.linkedin.com",oauth_version="1.0",oauth_nonce="b4fce3299f53058f1913d11b200d9793",oauth_timestamp="1601306961",oauth_consumer_key="4OLkabtux-26UgkjPCt1SuxCtmL7Ifn1g1dkKe0TQViGRS3DO_q3SuvtVjaB0_oy",oauth_callback="https%3A%2F%2Fsecure.creativecow.net%2Flinkedin%2FloginReturn",oauth_signature_method="HMAC-SHA1",oauth_signature="BplaOMG%2BcTVPHOAvaKk8Xh8s%2BuI%3D"
            [string] => POST&https%3A%2F%2Fapi.linkedin.com%2Fuas%2Foauth%2FrequestToken&oauth_callback%3Dhttps%253A%252F%252Fsecure.creativecow.net%252Flinkedin%252FloginReturn%26oauth_consumer_key%3D4OLkabtux-26UgkjPCt1SuxCtmL7Ifn1g1dkKe0TQViGRS3DO_q3SuvtVjaB0_oy%26oauth_nonce%3Db4fce3299f53058f1913d11b200d9793%26oauth_signature_method%3DHMAC-SHA1%26oauth_timestamp%3D1601306961%26oauth_version%3D1.0
        )

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


LINKEDIN OBJ:

COW_Linkedin Object
(
    [callback:protected] => https://secure.creativecow.net/linkedin/loginReturn
    [token_access:protected] => 
    [token_request:protected] => 
    [application_key:protected] => 4OLkabtux-26UgkjPCt1SuxCtmL7Ifn1g1dkKe0TQViGRS3DO_q3SuvtVjaB0_oy
    [application_secret:protected] => UjMChlyIuJHIoniEFRAfnsrm52ITgH3uEKXiJXgE_q_66ehvmLbEX3EUZ75Uy18z
    [response_format:protected] => xml
)

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