I can't play or access to any multiplayer things

First: when i try to join any realm or server it doesn’t let me through and says “Unable to provide downloaded resource pack. Contact an administrator!”.

Second: when i press the friends button it says “Friends couldn’t load. Please try again” and same happens when i press profile

Third: when i try to go to the changing room it tries to go to the marketplace and then it says “We couldn't get in touch with the store. Please try again in a moment.

Error code: C-0010”