Warning: array_merge()

I have tried to connect my feed (https://feeds.feedburner.com/mysite) to my facebook page and the following errors appear:

Warning: array_merge()

And at the press of a button (no description):

Error
---error call /?

thanks in advanced

maravento
25-03-2020


Please try again, we fixed it!

no. the problem persists. Tested today April 15/2020

Error
---error call /?app=&cmd=get_authorization&language=jp

Warning: array_merge(): Argument #2 is not an array in /var/www/html/v1/authorization.php on line 61