Failed to send event to Facebook Conversion API. Error: Array
(
    [type] => 2
    [message] => file_get_contents(https://graph.facebook.com/v19.0/7123448547697258/events?access_token=EAAFQsJJKRDQBO34KDZBY39Gd3UxOdcTZAAK4XtFgnsgtQMelB0z80ZARegiIWaTQruuxRREFzZCkESamfeoa0vWCkGqPatQ2685Siz8k0WfX5H6p1pN0U7rpZAANOsGmb4idjoXPS1SrZCW52G40awJzh1w8EPNuSRjoaKwZAJXQQKLuJonozqFnhTRcFwfZAYmOgZBHV1F6iRxaDN4HGZCETf7gjlywZDZD): failed to open stream: HTTP request failed! HTTP/1.1 400 Bad Request

    [file] => /var/www/html/fb-conversion-api/conversionAPI.php
    [line] => 36
)