The Mission Can't Done!!!

In last week we have a new target about squad battle Brazil team, The mission's request get 30 goals in difficulty for beginners,this two week I got a same problem, my first time to get 30+ goals, the game told me ea severs there are problems that cannot be handled, and then I get the 0 goal, the second time to get 30+ goals, it still cannot done the mission except for the 25goals mission