Cant create friendly associations

[Alexisa99]

So as u all know there is an event where we have tasks to do and earn rewards, as the last task we need to win 2 associations friendlies, and here comes the problem when i try to challenge member from associations it freezes on loading and nothing happens... please help before the event ends, otherwise i wont be able to take my last rewards... i also paid the premium

here is link of what happens:
https://imgur.com/7ONa3Su