I play Hay Day since 2012 andh I have plenty of contacts in the game, Facebook and Game Center.
Today I noticed that I don't see GC anymore.
Not in the list of all contact (sorted by level, all together) and not opening the "book of contacts", in the tag "other friends": I can only see the Facebook ones from there.

Another member of my hood (with iOS, playing since 8 years like me) has the same problem today.
I remember something like that already occured and it fixed automatically somehow in a couple days.

Any suggestions?

Thanks in advance and regards