ERROR - Failed to create request token: unknown problem
Array
(
    [method] => POST
    [url] => https://api.login.yahoo.com/oauth/v2/get_request_token
    [code] => 405
    [requestHeaders] => Array
        (
            [0] => Accept: application/json
            [1] => Content-Type: application/x-www-form-urlencoded
        )

    [requestBody] => oauth_callback=https%3A%2F%2Fhcardfight.com%2Flogin.php&oauth_consumer_key=dj0yJmk9ZjlxbUREbThSaDE2JmQ9WVdrOVNGaEVUSGhTTmpJbWNHbzlNQS0tJnM9Y29uc3VtZXJzZWNyZXQmeD1lMQ--&oauth_nonce=ed02daf80a1c3d63761288027e0ec6e5&oauth_signature=Yed47KrTILnoORSDCBi%2FRFy1qXw%3D&oauth_signature_method=HMAC-SHA1&oauth_timestamp=1569255446&oauth_version=1.0
    [responseHeaders] => Array
        (
            [Date] => Mon, 23 Sep 2019 16:17:26 GMT
            [Cache-Control] => must-revalidate,no-cache,no-store
            [Content-Length] => 0
            [Server] => ATS
            [Age] => 0
            [Connection] => close
            [Strict-Transport-Security] => max-age=15552000
        )

    [responseBody] => 
)
ERROR - Failed to create request token
FIUUUUUUUCKERROR - Failed to create authorization URLs
<br />
<b>Fatal error</b>:  Uncaught Error: Call to a member function getSessionedUser() on null in /var/www/html/hcardfight.com/www/login.php:13
Stack trace:
#0 {main}
  thrown in <b>/var/www/html/hcardfight.com/www/login.php</b> on line <b>13</b><br />