push notification error

Hi, does anyone know how to fix this error? (first time I turn on notifications)

21:49:05.290 chat connection failed [The operation could not be completed. Socket is not connected]

21:49:05.318 push notifications register error [no valid “aps-environment” authorization string was found for the application]

21:49:06.984 chat authorized as 'riccardobertold0' on msg1.mql5.com